{"product_id":"asvine-p20-piston-filling-resin-fountain-pen","title":"Asvine P20 Piston Filling Resin Fountain Pen","description":"\u003ch2\u003eAsvine P20 — The Science of a Perfect Fill\u003c\/h2\u003e\u003cp\u003eMost piston pens fill ink. The Asvine P20 \u003cem\u003eengineers\u003c\/em\u003e it. Featuring a differential piston filling mechanism — a dual-action system that maximizes ink draw with minimal effort — the P20 delivers one of the highest ink capacities in its class. Wrapped in a smooth, lightweight resin body, this is a fountain pen built for writers who take their craft seriously.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifferential Piston Filling System\u003c\/strong\u003e — Advanced dual-motion piston mechanism draws more ink per stroke than a standard piston, reducing refill frequency and maximizing writing time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity Ink Reservoir\u003c\/strong\u003e — Engineered to hold significantly more ink than conventional converters or cartridges; ideal for heavy daily writers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Resin Body\u003c\/strong\u003e — Lightweight yet resilient resin construction offers a warm, comfortable grip with excellent durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth, Consistent Nib\u003c\/strong\u003e — Precision-tuned for skip-free, even ink flow across all writing speeds and angles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with All Bottled Inks\u003c\/strong\u003e — Explore the full spectrum of fountain pen inks — standard, shimmer, sheen, or iron gall\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilling System:\u003c\/strong\u003e Differential piston filling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Resin\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePerfect For\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHeavy daily writers who need maximum ink capacity between refills\u003c\/li\u003e\n\u003cli\u003eFountain pen enthusiasts who appreciate mechanical ingenuity\u003c\/li\u003e\n\u003cli\u003eStudents, journalists, and professionals writing for extended periods\u003c\/li\u003e\n\u003cli\u003eInk explorers who want full compatibility with bottled inks\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eThe Asvine P20 — engineered to keep up with every word you write.\u003c\/em\u003e\u003c\/p\u003e","brand":"Asvine","offers":[{"title":"Yellow \/ EF≈0.38mm","offer_id":54504955674929,"sku":"P20-AV-1","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ F≈0.5mm","offer_id":54504955707697,"sku":"P20-AV-2","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ M≈0.7mm","offer_id":54504955740465,"sku":"P20-AV-3","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Green \/ EF≈0.38mm","offer_id":54504955773233,"sku":"P20-AV-4","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Green \/ F≈0.5mm","offer_id":54504955806001,"sku":"P20-AV-5","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Green \/ M≈0.7mm","offer_id":54504955838769,"sku":"P20-AV-6","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ EF≈0.38mm","offer_id":54504955871537,"sku":"P20-AV-7","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ F≈0.5mm","offer_id":54504955904305,"sku":"P20-AV-8","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ M≈0.7mm","offer_id":54504955937073,"sku":"P20-AV-9","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01GT7QCa1xpOF5Xfnhu__2213304346492.jpg_1632c78d-7eff-492c-b476-98ea2b15d565.webp?v=1781165690","url":"https:\/\/www.ttpen.com\/products\/asvine-p20-piston-filling-resin-fountain-pen","provider":"TTpen","version":"1.0","type":"link"}