{"product_id":"kaweco-sport-piston-classic","title":"Kaweco Sport Piston Classic","description":"\u003cp\u003eThe \u003cstrong\u003eKaweco Sport\u003c\/strong\u003e series welcomes the \u003cstrong\u003eKaweco Sport Piston\u003c\/strong\u003e, a piston-filling fountain pen in a pocket-friendly size.\u003c\/p\u003e\n\u003cp\u003eDerived from the Sport Classic, it is made of glossy black resin with gold-tone trim and features a piston mechanism with an inspection window and a gold-tone ring on the barrel.\u003c\/p\u003e\n\u003cdetails\u003e\n\u003csummary\u003eContinue ▷\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003ch3\u003eThe Kaweco Sport Piston's piston mechanism\u003c\/h3\u003e\n\u003cp\u003eUnlike the other Sport models, which use cartridges, this fountain pen features a built-in piston mechanism visible through the inspection window on the barrel—making it easy to check the remaining ink level.\u003c\/p\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cp\u003eThe body is made of glossy black resin with a rounded octagonal section, gold-tone trim, and a gold-tone ring. The gold-tone steel nib is available in Extra Fine, Fine, Medium, Broad, and Double Broad (1.3 mm) nib sizes. Closed, it measures 105 mm; with the cap fitted on the back, it measures 130 mm.\u003c\/p\u003e\n\u003cp\u003eLike all Kaweco Sport models, it can be fitted with a removable \u003ca href=\"https:\/\/www.pens.business\/products\/kaweco-clip-removibile\"\u003eKaweco Clip\u003c\/a\u003e, which can be purchased separately and is not included in the package.\u003c\/p\u003e\n\u003cp\u003eDespite the piston mechanism, it retains the same pocket-friendly size as the other Sport models: closed, it measures just 105 mm, making it perfect to carry with you in your bag or pocket.\u003c\/p\u003e\n\u003cp\u003eUnlike the cartridge versions, the piston reservoir is filled directly from an ink bottle. To change colors, simply empty it and rinse it with warm water, operating the piston several times until the water runs clear.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat filling system does the Kaweco Sport Piston have?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eA built-in piston mechanism with an inspection window to check the ink level.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich nibs are available?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eGold-tone steel nibs in Extra Fine, Fine, Medium, Broad, and Double Broad (1.3 mm) sizes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the clip included?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eNo, the clip is removable and must be purchased separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cp\u003eKaweco is a German writing-instruments brand founded in 1883, one of the oldest still in operation (\u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Kaweco\" target=\"_blank\" rel=\"noopener\"\u003ebrand history\u003c\/a\u003e).\u003c\/p\u003e\n\u003cp\u003eDiscover the entire \u003ca href=\"https:\/\/www.pens.business\/collections\/penne-kaweco\"\u003erange of Kaweco pens\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e","brand":"Kaweco","offers":[{"title":"Extra Fine","offer_id":57478098649353,"sku":"KW1100033.EF","price":69.5,"currency_code":"EUR","in_stock":true},{"title":"Fine","offer_id":57478098682121,"sku":"KW1100033.F","price":69.5,"currency_code":"EUR","in_stock":true},{"title":"Medium","offer_id":57478098714889,"sku":"KW1100033.M","price":69.5,"currency_code":"EUR","in_stock":true},{"title":"Ampio","offer_id":57478098747657,"sku":"KW1100033.B","price":69.5,"currency_code":"EUR","in_stock":true},{"title":"Double Broad","offer_id":57478098780425,"sku":"KW1100033.BB","price":69.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/8797\/7993\/files\/KWpistonAp.jpg?v=1792683381","url":"https:\/\/www.pens.business\/en\/products\/kaweco-sport-piston-classic","provider":"pens.business by Giardino Italiano","version":"1.0","type":"link"}