{"title":"Twsbi","description":"\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" data-testid=\"conversation-turn-4\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"220\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","products":[{"product_id":"twsbi-eco-fountain-pen-black","title":"Twsbi Eco Fountain Pen - Black","description":"\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56494194557314,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":56494194590082,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":false},{"title":"Medium","offer_id":56494194622850,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":true},{"title":"Broad","offer_id":56494194655618,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":false},{"title":"Stub 1.1mm","offer_id":56494194688386,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/ECO-Black-03.webp?v=1774015865"},{"product_id":"twsbi-eco-fountain-pen-clear","title":"Twsbi Eco Fountain Pen - Clear","description":"\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56494852080002,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":false},{"title":"Fine","offer_id":56494852112770,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":false},{"title":"Medium","offer_id":56494852145538,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":true},{"title":"Broad","offer_id":56494852178306,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":false},{"title":"Stub 1.1mm","offer_id":56494852211074,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/ECO-Clear-01.webp?v=1774023847"},{"product_id":"twsbi-eco-fountain-pen-white","title":"Twsbi Eco Fountain Pen - White","description":"\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56494897299842,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":56494897332610,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":56494897365378,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":true},{"title":"Broad","offer_id":56494897398146,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56494897430914,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/ECO-White-04.webp?v=1774024199"},{"product_id":"twsbi-eco-fountain-pen-amazonite","title":"Twsbi Eco Fountain Pen - Amazonite","description":"\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56494899233154,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":56494899265922,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":false},{"title":"Medium","offer_id":56494899298690,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":false},{"title":"Broad","offer_id":56494899331458,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":false},{"title":"Stub 1.1mm","offer_id":56494899364226,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/ECO-Amazonite-02.webp?v=1774024494"},{"product_id":"twsbi-eco-fountain-pen-bahama-yellow","title":"Twsbi Eco Fountain Pen - Bahama Yellow","description":"\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56494909981058,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":56494910013826,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":false},{"title":"Medium","offer_id":56494910046594,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":true},{"title":"Broad","offer_id":56494910079362,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56494910112130,"sku":null,"price":37.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/ECO-Bahama-Yellow-02.webp?v=1774025423"},{"product_id":"twsbi-eco-fountain-pen-smoke-rose-gold","title":"Twsbi Eco Fountain Pen - Smoke Rose Gold","description":"\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56500764705154,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":56500764737922,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":56500764770690,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Broad","offer_id":56500764803458,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56500764836226,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/ECO-Smoke-RoseGold-04_469a207a-8858-4863-9a33-0209b479eb07.webp?v=1774127450"},{"product_id":"twsbi-eco-fountain-pen-creme-rose-gold","title":"Twsbi Eco Fountain Pen - Creme Rose Gold","description":"\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56500765196674,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Fine","offer_id":56500765229442,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":56500765262210,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Broad","offer_id":56500765294978,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56500765327746,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/ECO_Creme_Rosegold012.webp?v=1774127616"},{"product_id":"twsbi-eco-fountain-pen-indigo-blue-bronze","title":"Twsbi Eco Fountain Pen - Indigo Blue Bronze","description":"\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56500766146946,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Fine","offer_id":56500766179714,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":56500766212482,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Broad","offer_id":56500766245250,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56500766278018,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/ECO_Indigo_Bronze01.webp?v=1774127756"},{"product_id":"twsbi-eco-fountain-pen-caffe-bronze","title":"Twsbi Eco Fountain Pen - Caffe Bronze","description":"\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56500766769538,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":56500766802306,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":56500766835074,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Broad","offer_id":56500766867842,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Stub 1.1mm","offer_id":56500766900610,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/ECO-Caffe-Bronze01.webp?v=1774127887"},{"product_id":"twsbi-diamond-580-fountain-pen-clear","title":"Twsbi Diamond 580 Fountain Pen - Clear","description":"\u003cp\u003eThe Twsbi Diamond 580 is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eThe Diamond features a distinctive faceted body and uses a large nib than the Eco.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nibs sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/hunterpaperco.com\/products\/twsbi-diamond-580-replacement-nib-unit\" rel=\"noopener\" target=\"_blank\"\u003eReplacement nibs available here\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eDimensions (Closed): L 120mm x D 13.5mm\u003c\/li\u003e\n\u003cli\u003eDimensions (Posted): L 142mm x D 13.5mm\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56500767555970,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":56500767588738,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":56500767621506,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Broad","offer_id":56500767654274,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56500767687042,"sku":null,"price":53.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/580clearangle.webp?v=1774128084"},{"product_id":"twsbi-diamond-580-fountain-pen-iris","title":"Twsbi Diamond 580 Fountain Pen - Iris","description":"\u003cp\u003eThe Twsbi Diamond 580 Iris is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eThe Iris had a striking iridescent rainbow finish, including on the nib and feed making this a real eye catcher. The Diamond features a distinctive faceted body and uses a large nib than the Eco.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nibs sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/products\/twsbi-diamond-580-replacement-nib-unit\" target=\"_blank\"\u003eReplacement nibs available here\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eDimensions (Closed): L 120mm x D 13.5mm\u003c\/li\u003e\n\u003cli\u003eDimensions (Posted): L 142mm x D 13.5mm\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56500898529666,"sku":null,"price":85.0,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":56500898562434,"sku":null,"price":85.0,"currency_code":"GBP","in_stock":false},{"title":"Medium","offer_id":56500898595202,"sku":null,"price":85.0,"currency_code":"GBP","in_stock":false},{"title":"Broad","offer_id":56500898627970,"sku":null,"price":85.0,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56500898660738,"sku":null,"price":88.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/Diamond-580-Iris-04.webp?v=1774130024"},{"product_id":"twsbi-eco-fountain-pen-cosmos-blue-with-onyx","title":"Twsbi Eco Fountain Pen - Cosmos Blue with Onyx","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eFeatures Onyx trim and  swirly 'cosmic' blue caps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56588116427138,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":56588116459906,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Medium","offer_id":56588116492674,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Broad","offer_id":56588116525442,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56588116558210,"sku":null,"price":53.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/twsbi-cosmos-01.webp?v=1777022352"},{"product_id":"twsbi-eco-fountain-pen-rootbeer-with-bronze","title":"Twsbi Eco Fountain Pen - Rootbeer with Bronze","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eRoot beer resin cap with bronze trim and semi-transparent design. The warm amber tone reveals inner structure for added visual depth, while bronze accents on the clip, rings, and nib deliver a refined vintage aesthetic. A striking balance of colour and craftsmanship.\u003c\/p\u003e\n\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56588146704770,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Fine","offer_id":56588146737538,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Medium","offer_id":56588146770306,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Broad","offer_id":56588146803074,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56588146835842,"sku":null,"price":53.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/ECO-rootbeer-1-scaled.jpg?v=1777022546"},{"product_id":"twsbi-diamond-580-al-r-fountain-pen-prussian-blue","title":"Twsbi Diamond 580 Al R Fountain Pen - Prussian Blue","description":"\u003cp\u003eThe Twsbi Diamond 580 Al R in Prussian Blue is a piston filler fountain pen\u003cspan\u003e equipped with a metal section and metal parts in the piston mechanism.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBeing a piston filler means it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nibs sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003ePlastic body with aluminium sections and piston\u003c\/li\u003e\n\u003cli\u003eDimensions (Closed): L 140mm x D 13.5mm\u003c\/li\u003e\n\u003cli\u003eDimensions (Posted): L \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e176mm\u003c\/span\u003e x D 13.5mm\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003cli\u003eMade in Taiwan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection dir=\"auto\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" data-testid=\"conversation-turn-4\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-start=\"0\" data-end=\"220\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" rel=\"noopener\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56588224823682,"sku":null,"price":69.95,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":56588224856450,"sku":null,"price":69.95,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":56588224889218,"sku":null,"price":69.95,"currency_code":"GBP","in_stock":true},{"title":"Broad","offer_id":56588224921986,"sku":null,"price":69.95,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56588224954754,"sku":null,"price":69.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/ezgif.com-webp-to-jpg-5.webp?v=1777024612"},{"product_id":"twsbi-diamond-mini-classic-fountain-pen-black","title":"Twsbi Diamond Mini Classic Fountain Pen Black","description":"\u003cp\u003eThe Twsbi Diamond Mini is the baby brother of the Twsbi Diamond, approx 3cm shorter when posted than the standard Diamond. Still holding a respectable 1.17ml of ink this is a fantastic pocket pen.\u003c\/p\u003e\n\u003cp\u003eIt uses a slightly smaller \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e#4 size nib, whereas the regular Diamond 580 uses a larger #5 size.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBeing a piston filler means it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eWith nibs sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eInk capacity - 1.17ml\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003ePlastic body with aluminium sections and piston\u003c\/li\u003e\n\u003cli\u003eDimensions (Closed): L 118mm x D 13.5mm\u003c\/li\u003e\n\u003cli\u003eDimensions (Posted): L 142mm x D 13.5mm\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight: 19g\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003cli\u003eMade in Taiwan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56588296323458,"sku":null,"price":55.0,"currency_code":"GBP","in_stock":false},{"title":"Fine","offer_id":56588296356226,"sku":null,"price":55.0,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":56588296388994,"sku":null,"price":55.0,"currency_code":"GBP","in_stock":false},{"title":"Broad","offer_id":56588296421762,"sku":null,"price":55.0,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56588296454530,"sku":null,"price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/TWSBI-Diamond-Mini-Fountain-Pen-Classic-1_1800x1800_e2971533-439f-4e3c-bdb8-d3b8c74ca497.webp?v=1777026369"},{"product_id":"twsbi-precision-fountain-pen-gunmetal-grey","title":"Twsbi Precision Fountain Pen Gunmetal Grey","description":"\u003cp\u003eIf you want a piston filler with a metal body then look no further.\u003c\/p\u003e\n\u003cp\u003eAluminium barrel and grip with stainless steel trim and pocket clip. TWSBI logo nicely finishes the top of the pen's cap. Rubber o-ring on cap thread ensures an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cp\u003eDiamond-faceted barrel ensures pen will not roll away if left uncapped on a desk. \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe barrel and nib section has a slightly textured finish to aid grip. The piston mechanism is smooth and very satisfying to use. The pen holds a good amount of ink and there’s a small ink window so you can see how much ink is left\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBeing a piston filler means it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eWith nibs sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eInk capacity - \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e1.67ml\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003ePlastic body with aluminium sections and piston\u003c\/li\u003e\n\u003cli\u003eDimensions (Closed): L \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e137mm\u003c\/span\u003e x D \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e12.8mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eDimensions (Posted): L 170mm x D \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e12.8mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeight: 30g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003cli\u003eMade in Taiwan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection dir=\"auto\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" data-testid=\"conversation-turn-4\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-start=\"0\" data-end=\"220\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" rel=\"noopener\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56588376408450,"sku":null,"price":89.95,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":56588376441218,"sku":null,"price":89.95,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":56588376473986,"sku":null,"price":89.95,"currency_code":"GBP","in_stock":false},{"title":"Broad","offer_id":56588376506754,"sku":null,"price":89.95,"currency_code":"GBP","in_stock":false},{"title":"Stub 1.1mm","offer_id":56588376539522,"sku":null,"price":89.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/TW60584-ZZZ_TWSBI-Precision-Fountain-Pen-Gunmetal_P1_720x_93734a75-9f84-4e0c-ae73-f0ef5a3594f8.webp?v=1777027184"},{"product_id":"twsbi-vac-700r-fountain-pen-clear","title":"Twsbi Vac 700R Fountain Pen Clear","description":"\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThe Twsbi Vac 700R features an innovative vacuum filling mechanism which allows the pen to be filled with a large amount of ink.\u003c\/p\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eOne-motion filling with a simple plunger push. The vacuum seal locks ink in place and prevents leaks—unscrew slightly to write freely. \u003c\/p\u003e\n\u003cp\u003eSee everything through the clear barrel: the mechanism, ink level, and all the engineering inside. Holds 1.8–2.3ml of bottled ink.\u003c\/p\u003e\n\u003cp\u003eTravel-ready with a shut-off valve that keeps ink secure when you're on the move. Fully takes apart for cleaning and ink changes.\u003c\/p\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp class=\"p3\"\u003e\u003cspan\u003eThe Vac700R can be fully disassembled for thorough cleaning and maintenance, ensuring longevity and consistent performance. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan\u003e132.7mm long open\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e174mm long posted\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003egrip section tapers down to 10mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeight: 32g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003cli\u003eMade in Taiwan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection dir=\"auto\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" data-testid=\"conversation-turn-4\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-start=\"0\" data-end=\"220\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56588454068610,"sku":null,"price":74.95,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":56588454101378,"sku":null,"price":74.95,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":56588454134146,"sku":null,"price":74.95,"currency_code":"GBP","in_stock":true},{"title":"Broad","offer_id":56588454166914,"sku":null,"price":74.95,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56588454199682,"sku":null,"price":74.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/Pluma_estilografica_transparente_Vac700R_TWSBI_-10102025124522.webp?v=1777030018"},{"product_id":"twsbi-eco-fountain-pen-fluorite-purple-with-bronze","title":"Twsbi Eco Fountain Pen - Fluorite Purple with Bronze","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe Eco Fluorite Purple showcases a striking marbled design—soft lavender flowing into deeper violet and rose tones across the cap and end section. A fully transparent barrel reveals the pen's inner mechanics, while warm bronze-toned trim adds refined contrast to the composition.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56642637463938,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Fine","offer_id":56642637496706,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":56642637529474,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Broad","offer_id":56642637562242,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56642637595010,"sku":null,"price":53.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/ECO-Fluorite-Purple03.jpg?v=1778576492"},{"product_id":"twsbi-diamond-580-fountain-pen-rbt","title":"Twsbi Diamond 580 Fountain Pen - RBT","description":"\u003cp\u003eThe Twsbi Diamond 580 Red Blue Transparent is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eThe Red Blue Transparent has striking red and blue detail. The Diamond features a distinctive faceted body and uses a large nib than the Eco.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nibs sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/hunterpaperco.com\/products\/twsbi-diamond-580-replacement-nib-unit\" target=\"_blank\" rel=\"noopener\"\u003eReplacement nibs available here\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eDimensions (Closed): L 120mm x D 13.5mm\u003c\/li\u003e\n\u003cli\u003eDimensions (Posted): L 142mm x D 13.5mm\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56667862860162,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Fine","offer_id":56667862892930,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Medium","offer_id":56667862925698,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Broad","offer_id":56667862958466,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56667862991234,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/TW00031-02.webp?v=1779535803"},{"product_id":"twsbi-eco-fountain-pen-plum-with-onyx","title":"Twsbi Eco Fountain Pen - Plum with Onyx","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003ePlum resin cap with onyx trim and semi-transparent design.The onyx accents on the clip, rings, and nib deliver a refined, sophisticated aesthetic. A striking balance of colour and craftsmanship.\u003c\/p\u003e\n\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection dir=\"auto\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" data-testid=\"conversation-turn-4\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-start=\"0\" data-end=\"220\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" rel=\"noopener\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56667933868418,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Fine","offer_id":56667933901186,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":56667933933954,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Broad","offer_id":56667933966722,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56667933999490,"sku":null,"price":53.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/twsbi-plum-04.webp?v=1779537427"},{"product_id":"twsbi-eco-fountain-pen-irish-slate-with-onyx","title":"Twsbi Eco Fountain Pen - Irish Slate with Onyx","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eSlate blue resin cap with onyx trim and semi-transparent design.The onyx accents on the clip, rings, and nib deliver a refined, sophisticated aesthetic. A striking balance of colour and craftsmanship.\u003c\/p\u003e\n\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection dir=\"auto\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" data-testid=\"conversation-turn-4\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-start=\"0\" data-end=\"220\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" rel=\"noopener\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56667940946306,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":56667940979074,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":56667941011842,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Broad","offer_id":56667941044610,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56667941077378,"sku":null,"price":53.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/TWSBI-ECO-Slate-Blue-with-Onyx-01.webp?v=1779538435"},{"product_id":"twsbi-eco-fountain-pen-irish-green-with-onyx","title":"Twsbi Eco Fountain Pen - Irish Green with Onyx","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eDark green resin cap with onyx trim and semi-transparent design.The onyx accents on the clip, rings, and nib deliver a refined, sophisticated aesthetic. A striking balance of colour and craftsmanship.\u003c\/p\u003e\n\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56667958739330,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":56667958772098,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":56667958804866,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Broad","offer_id":56667958837634,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56667958870402,"sku":null,"price":53.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/TW00021_TWSBI-Eco-Fountain-Pen-Irish-Green-with-Onyx_P1.webp?v=1779539497"},{"product_id":"twsbi-diamond-580-replacement-nib-unit","title":"TWSBI Diamond 580 Replacement Nib Unit","description":"\u003cdiv class=\"product-description rte product-detail__gap-lg\" data-show-in-quickbuy=\"\"\u003e\u003c\/div\u003e\n\u003cp\u003eEasily change or replace your Twsbi Diamond 580 nib\u003c\/p\u003e\n\u003cp\u003eReplacement nib unit for TWSBI Diamond 580 fountain pens.\u003c\/p\u003e\n\u003cp\u003eBoth nib and clear Diamond 580 grip section supplied including metal ring. Also suitable for Diamond 540 pens, just swap out the old grip section.\u003c\/p\u003e\n\u003cp\u003ePolished steel nib engraved with TWSBI logo and branding, available in a wide range of nib sizes: fine, medium, broad, extra-fine, stub 1.1mm and stub 1.5mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56681145893250,"sku":null,"price":26.5,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":56681145926018,"sku":null,"price":26.5,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":56681145958786,"sku":null,"price":26.5,"currency_code":"GBP","in_stock":true},{"title":"Broad","offer_id":56681145991554,"sku":null,"price":26.5,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1mm","offer_id":56681146024322,"sku":null,"price":26.5,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.5mm","offer_id":56681184461186,"sku":null,"price":26.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/twsbi-diamond-580-nib-set-replacement-nib-unit.webp?v=1780148112"},{"product_id":"twsbi-eco-fountain-pen-white-horse","title":"Twsbi Eco Fountain Pen - White Horse","description":"\u003cp\u003e\u003cstrong\u003e\u003cem\u003eThis product will be available starting July 3rd. Enter your email below to be notified as soon as the product becomes available for purchase.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor the first time, Twsbi has adorned both the barrel and cap of its Eco with an elegant horse motif—a spirited horse galloping across the front, perfect for the zodiac year of the Fire Horse. It's a distinctive fountain pen that marries artistic design with a transparent barrel and a dependable piston-filling system.\u003c\/p\u003e\n\u003cp\u003eThe Twsbi Eco is a piston filler fountain pen, meaning it has the filing mechanism built into the body of the pen - simply dip the nib into a bottle of ink and turn the screw on the base of the pen and the ink chamber will fill up with ink.\u003c\/p\u003e\n\u003cp\u003eIt can hold up to 2ml of ink making it a perfect pen for anyone who writes a lot and doesn't want to be worrying about frequent refilling.\u003c\/p\u003e\n\u003cp\u003eWith nib sized from extra-fine to 1.1mm stub there is a Twsbi to suit every style of writing. If you're looking for smooth writing sensation we would recommend the medium nib or broader.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eIt uses a rubber o-ring on the cap thread to ensure an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cdiv data-show-in-quickbuy=\"\"\u003e\n\u003cp\u003eThis pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePiston filler - use with bottled ink\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\u003c\/li\u003e\n\u003cli\u003eLength closed: \u003cmeta charset=\"utf-8\"\u003e138.8mm\u003c\/li\u003e\n\u003cli\u003eLength posted: \u003cmeta charset=\"utf-8\"\u003e167.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied gift boxed with disassembly tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Twsbi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn-id=\"request-WEB:a0597b92-0b4f-44ef-94bc-3b1b56e03d6e-1\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"41b7b446-bc2c-4d27-8292-32e25a041a59\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"220\" data-start=\"0\"\u003eTWSBI is renowned for its precision-engineered fountain pens, specialising in smooth, reliable piston-filling systems. Explore our collection to discover modern designs built for everyday writing and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hunterpaperco.com\/collections\/twsbi\" target=\"_blank\"\u003eView all Twsbi products we stock\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":56712204059010,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Fine","offer_id":56712204091778,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Medium","offer_id":56712204124546,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Broad","offer_id":56712204157314,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":false},{"title":"Stub 1.1mm","offer_id":56712204190082,"sku":null,"price":53.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/0427\/1699\/files\/Untitled_design_18.jpg?v=1781602458"}],"url":"https:\/\/hunterpaperco.com\/collections\/twsbi.oembed","provider":"Hunter Paper Co. ","version":"1.0","type":"link"}