{"product_id":"twsbi-eco-piston-filler-fountain-pen-serpentine-bronze","title":"TWSBI ECO Piston Filler Fountain Pen - Serpentine Bronze","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdition:\u003c\/strong\u003e Serpentine Bronze — Special Edition featuring a swirling, earthy blend of olive green and smoky grey marble resin paired with premium vintage bronze plating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNib:\u003c\/strong\u003e \u003cstrong\u003eBronze Plated Steel\u003c\/strong\u003e — Precision Jowo stainless steel nib plated in bronze to perfectly match the trim\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilling Mechanism:\u003c\/strong\u003e Piston Filler — Internal piston draws ink directly into the barrel (approx. 1.76ml capacity)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInk Capacity:\u003c\/strong\u003e Massive — Holds nearly 4x more ink than a standard converter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e Crystal Clear — Transparent barrel allows you to see your ink level and color at all times\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Fully Serviceable — Includes wrench and silicone grease for home disassembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 139 mm capped, 168 mm posted — Hexagonal cap prevents rolling and posts securely\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Taiwan — Precision engineered for durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAbout the TWSBI ECO Piston Filler Fountain Pen – Serpentine Bronze\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTWSBI ECO Piston Filler Fountain Pen – Serpentine Bronze\u003c\/strong\u003e is a breathtaking Special Edition that brings a touch of luxurious vintage warmth and natural elegance to the reliable ECO lineup. Elevating the standard demonstrator design, this pen features a captivatingly swirled cap and piston knob inspired by natural serpentine stone—blending rich olive greens and smoky greys—perfectly complemented by elegant \u003cstrong\u003eBronze-plated trim\u003c\/strong\u003e and a matching bronze-plated nib.\u003c\/p\u003e\n\u003cp\u003eThe ECO (short for \"Economical\") is celebrated for bringing high-end \u003cstrong\u003episton filling mechanisms\u003c\/strong\u003e to an accessible price point. The built-in piston allows you to fill the pen directly from a bottle, holding a massive \u003cstrong\u003e1.76ml of ink\u003c\/strong\u003e. The crystal-clear barrel not only lets you monitor your ink level at a glance but also turns your ink of choice into a visual centerpiece against the dark, organic marble accents.\u003c\/p\u003e\n\u003cp\u003eDesigned for flawless daily use, the cap features an inner seal to prevent the nib from drying out, even if left unused for extended periods. The distinct hexagonal cap prevents the pen from rolling off your desk, while the smooth, round grip section ensures a remarkably comfortable writing experience.\u003c\/p\u003e\n\u003cp\u003eTrue to TWSBI’s philosophy of user empowerment, the pen arrives in a presentation box that includes a bespoke wrench and silicone grease, giving you the freedom to fully disassemble, clean, and lubricate the mechanism yourself—ensuring your tool lasts a lifetime.\u003c\/p\u003e","brand":"TWSBI","offers":[{"title":"Extra Fine EF","offer_id":48761695207641,"sku":"M7442060","price":58.0,"currency_code":"USD","in_stock":false},{"title":"Fine F","offer_id":48761695240409,"sku":"M7442070","price":58.0,"currency_code":"USD","in_stock":true},{"title":"Medium M","offer_id":48761695273177,"sku":"M7442080","price":58.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/1173\/3209\/files\/TWSBI_ECO_Piston_Filler_Fountain_Pen_-_Serpentine_Bronze.jpg?v=1779991084","url":"https:\/\/penandtool.com\/products\/twsbi-eco-piston-filler-fountain-pen-serpentine-bronze","provider":"Pen \u0026 Tool","version":"1.0","type":"link"}