{"product_id":"kaweco-piston-sport-aluminum-fountain-pen","title":"Kaweco Piston Sport Aluminum Fountain Pen","description":"\u003ch2\u003eClassic Pocket Silhouette Meets True Piston-Filling Performance\u003c\/h2\u003e\n\u003cp\u003eThe Kaweco Sport Piston Fountain Pen reimagines the historic 1935 pocket pen with an integrated, precision-machined piston filling mechanism. Crafted from lightweight anodized aluminum in matte black with polished gold-tone accents, this pen delivers full-sized writing comfort when posted while retaining its ultra-compact pocket carry profile. An integrated transparent ink window lets you check your ink supply at a glance, allowing bottled ink aficionados to draw ink directly from their favorite reservoirs without cartridges or mini converters.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Piston Mechanism:\u003c\/strong\u003e Smooth rotary piston draws bottled ink directly into the pen barrel for generous ink capacity and seamless refilling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear Ink Window:\u003c\/strong\u003e Transparent viewing segment allows effortless monitoring of remaining ink levels during daily writing sessions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnodized Aluminum Body:\u003c\/strong\u003e Matte black aluminum construction combines lightweight pocket portability with durable, dent-resistant resilience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignature Octagonal Cap:\u003c\/strong\u003e Iconic Kaweco anti-roll faceted cap screws securely onto the barrel and posts smoothly to full writing length.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGold-Plated Stainless Steel Nib:\u003c\/strong\u003e Finely tuned German nib delivers consistent, wet ink flow and smooth feedback across diverse paper stocks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Collector Gift Box:\u003c\/strong\u003e Packaged in an embossed nostalgic gold Kaweco tin, making it an ideal gift for pen enthusiasts and everyday carry writers.\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 Kaweco\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Sport Piston (AL Sport Piston Filler)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWriting Instrument:\u003c\/strong\u003e Fountain Pen\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Anodized Aluminum with Gold-Plated Trim\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFilling System:\u003c\/strong\u003e Integrated Rotary Piston Mechanism (Bottled Ink)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapped Length:\u003c\/strong\u003e Approx. 105 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePosted Length:\u003c\/strong\u003e Approx. 130 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Germany\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Kaweco Nostalgic Metal Tin Gift Box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fountain pen accept standard ink cartridges?\u003c\/strong\u003e\u003cbr\u003e\nNo. The Kaweco Sport Piston is equipped with an integrated piston mechanism designed exclusively for bottled fountain pen ink, eliminating the need for disposable cartridges or mini converters.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I refill the Kaweco Sport Piston pen?\u003c\/strong\u003e\u003cbr\u003e\nUnscrew the rear blind cap to expose the knurled piston knob, twist the knob counterclockwise to lower the piston, submerge the nib completely into your ink bottle, and turn the knob clockwise to draw ink into the reservoir.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I post the cap while writing?\u003c\/strong\u003e\u003cbr\u003e\nYes. The pen measures a compact 105 mm capped and posts securely to 130 mm, providing balanced, ergonomic hand comfort for prolonged writing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the customer support and order policy?\u003c\/strong\u003e\u003cbr\u003e\nFor questions regarding your placed order, reach our official customer service team at szjyf@outlook.com. Order inquiries are addressed promptly after purchase, and full refunds are supported prior to confirmed shipment.\u003c\/p\u003e","brand":"Kaweco","offers":[{"title":"aluminum black \/ EF","offer_id":69617368137762,"sku":"Kaweco-FP-SportPiston-1","price":124.0,"currency_code":"USD","in_stock":true},{"title":"aluminum black \/ F","offer_id":69617368170530,"sku":"Kaweco-FP-SportPiston-2","price":124.0,"currency_code":"USD","in_stock":true},{"title":"Classic Black \/ EF","offer_id":69617368203298,"sku":"Kaweco-FP-SportPiston-3","price":124.0,"currency_code":"USD","in_stock":true},{"title":"Classic Black \/ F","offer_id":69617368236066,"sku":"Kaweco-FP-SportPiston-4","price":124.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/1793758599803--992599870_3366a58d-48d6-4cab-bf71-a1cf2104dbed.jpg?v=1793759775","url":"https:\/\/www.xypen.com\/products\/kaweco-piston-sport-aluminum-fountain-pen","provider":"XYPen","version":"1.0","type":"link"}