{"product_id":"twsbi-classic-piston-fountain-pen","title":"TWSBI Classic Fountain Pen","description":"\u003ch2\u003eTWSBI Classic Fountain Pen\u003c\/h2\u003e\n\u003cp\u003eThe TWSBI Classic Fountain Pen combines a sleek, slender profile with the brand's renowned piston-filling engineering. Designed for effortless daily writing, it draws ink directly from any bottle with a smooth turn of the end knob, eliminating the need for converters or disposable cartridges. Featuring an integrated ink-level window, threaded cap posting with dual O-rings, and complete maintenance tools, the TWSBI Classic provides an authentic, reliable writing experience.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Piston Mechanism:\u003c\/strong\u003e High-capacity piston draws bottled ink smoothly and cleanly directly into the barrel reservoir.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear Ink Window:\u003c\/strong\u003e Transparent viewing window lets you monitor remaining ink levels at a glance before important meetings or classes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure Cap Posting:\u003c\/strong\u003e Equipped with dual rubber O-rings near the piston knob to ensure the cap posts firmly and securely without wobbling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlim Faceted Profile:\u003c\/strong\u003e Slender body with subtle faceted edges prevents rolling and provides balanced in-hand control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUser-Serviceable Design:\u003c\/strong\u003e Ships with a custom metal wrench and silicone grease for complete at-home disassembly and long-term care.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e TWSBI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Classic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNib Material:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Polycarbonate with Polished Chrome Accents\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFilling Mechanism:\u003c\/strong\u003e Integrated Piston Filler\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCap Type:\u003c\/strong\u003e Screw-on Cap\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded Accessories:\u003c\/strong\u003e Disassembly Wrench, Silicone Grease Bottle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eHow do I fill the TWSBI Classic fountain pen?\u003c\/h4\u003e\n\u003cp\u003eSubmerge the nib completely into your ink bottle, turn the rear piston knob counterclockwise to lower the plunger, and rotate it clockwise to draw ink into the barrel reservoir.\u003c\/p\u003e\n\n\u003ch4\u003eDoes the TWSBI Classic accept ink cartridges or converters?\u003c\/h4\u003e\n\u003cp\u003eNo, the pen is an authentic piston-fill fountain pen and operates exclusively with bottled fountain pen ink.\u003c\/p\u003e\n\n\u003ch4\u003eWhat is the purpose of the included wrench and silicone grease?\u003c\/h4\u003e\n\u003cp\u003eTWSBI designs pens for complete longevity. The wrench allows you to easily remove the piston mechanism for thorough cleaning, and the silicone grease lubricates the internal piston seal.\u003c\/p\u003e\n\n\u003ch4\u003eCan the cap be posted securely while writing?\u003c\/h4\u003e\n\u003cp\u003eYes, two integrated O-rings on the rear barrel grip the cap securely when posted, offering a balanced feel in hand.\u003c\/p\u003e\n\n\u003ch4\u003eHow do I know when it is time to refill the pen?\u003c\/h4\u003e\n\u003cp\u003eA discreet transparent ink window positioned just above the grip section displays your remaining ink level at all times.\u003c\/p\u003e","brand":"TWSBI","offers":[{"title":"Wine","offer_id":47409926012962,"sku":"TWC21S-1","price":135.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":47409926045730,"sku":"TWC21S-2","price":135.0,"currency_code":"USD","in_stock":true},{"title":"Sapphire","offer_id":47409926078498,"sku":"TWC21S-3","price":135.0,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":47409926111266,"sku":"TWC21S-4","price":135.0,"currency_code":"USD","in_stock":true},{"title":"Light Blue","offer_id":47409926144034,"sku":"TWC21S-5","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/O1CN0128tT2b9WDTU3706__3044407990.webp?v=1788920743","url":"https:\/\/www.xypen.com\/products\/twsbi-classic-piston-fountain-pen","provider":"XYPen","version":"1.0","type":"link"}