{"product_id":"platinum-curidas-knock-type-fountain-pen","title":"Platinum Curidas Knock-Type Fountain Pen","description":"\u003ch2\u003ePlatinum Curidas Knock-Type Fountain Pen\u003c\/h2\u003e\u003cp\u003eExperience the perfect convergence of modern engineering and classic fountain pen performance with the Platinum Curidas Knock-Type Fountain Pen. Named after the Japanese phrase kuridasu (to extend) and curiosity, this innovative writing instrument features a responsive one-touch click mechanism that extends and retracts the nib effortlessly with one hand. A transparent resin body reveals the sophisticated inner mechanics while offering a comfortable, balanced grip for spontaneous brainstorming, rapid note-taking, and daily correspondence.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Touch Knock Mechanism:\u003c\/strong\u003e Extends and retracts the nib smoothly with a single click, providing quick one-handed deployment without cap hassle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirtight Seal Pocket:\u003c\/strong\u003e Internal spring-loaded sealing chamber encloses the nib upon retraction, preventing ink dry-out and ensuring instant starts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkeleton Demonstrator Body:\u003c\/strong\u003e Durable translucent resin barrel showcases the intricate internal moving parts and allows effortless ink monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth Stainless Steel Nib:\u003c\/strong\u003e Precision-tuned fine steel nib delivers reliable ink flow and consistent line definition across everyday writing surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErgonomic Balanced Feel:\u003c\/strong\u003e Thoughtfully weighted and contoured for stable control during extended journaling and note-taking sessions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Platinum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Curidas (PKN-7000C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNib Material:\u003c\/strong\u003e Stainless steel (available in EF, F, and M)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Translucent PMMA resin with metal clip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 153 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 13.8 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilling System:\u003c\/strong\u003e Platinum ink cartridge or Platinum converter (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003ch4\u003eHow does the Curidas prevent the nib from drying out without a cap?\u003c\/h4\u003e\u003cp\u003eThe Curidas features an internal spring-actuated sealing chamber that snaps shut around the nib as soon as it is retracted, keeping ink fresh and preventing evaporation.\u003c\/p\u003e\u003ch4\u003eCan the pocket clip be removed?\u003c\/h4\u003e\u003cp\u003eYes. The pen includes a specialized clip removal tool that allows you to detach the pocket clip for a cleaner, unobstructed grip if desired.\u003c\/p\u003e\u003ch4\u003eWhat types of ink refills does the Platinum Curidas accept?\u003c\/h4\u003e\u003cp\u003eThe pen accepts standard Platinum proprietary ink cartridges as well as the Platinum converter (sold separately) for using bottled fountain pen inks.\u003c\/p\u003e\u003ch4\u003eCan this pen be operated with one hand?\u003c\/h4\u003e\u003cp\u003eYes. The knock-type push-button mechanism allows effortless one-handed deployment, making it ideal for quick notes and meetings.\u003c\/p\u003e\u003ch4\u003eIs the Platinum Curidas comfortable for long writing sessions?\u003c\/h4\u003e\u003cp\u003eYes. Despite its intricate internal mechanism, the lightweight resin barrel is carefully balanced to minimize hand strain during prolonged writing.\u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Grand Red \/ 0.28mm EF","offer_id":47409972772898,"sku":"PKN-7000C-1","price":141.75,"currency_code":"USD","in_stock":true},{"title":"Grand Red \/ 0.38mm F","offer_id":47409972805666,"sku":null,"price":141.75,"currency_code":"USD","in_stock":true},{"title":"Grand Red \/ 0.5mm M","offer_id":47409972838434,"sku":null,"price":141.75,"currency_code":"USD","in_stock":true},{"title":"Prism Crystal \/ 0.28mm EF","offer_id":47409972871202,"sku":"PKN-7000C-2","price":141.75,"currency_code":"USD","in_stock":true},{"title":"Prism Crystal \/ 0.38mm F","offer_id":47409972903970,"sku":null,"price":141.75,"currency_code":"USD","in_stock":true},{"title":"Prism Crystal \/ 0.5mm M","offer_id":47409972936738,"sku":null,"price":141.75,"currency_code":"USD","in_stock":true},{"title":"Graphite Smoke \/ 0.28mm EF","offer_id":47409972969506,"sku":"PKN-7000C-3","price":141.75,"currency_code":"USD","in_stock":true},{"title":"Graphite Smoke \/ 0.38mm F","offer_id":47409973002274,"sku":null,"price":141.75,"currency_code":"USD","in_stock":true},{"title":"Graphite Smoke \/ 0.5mm M","offer_id":47409973035042,"sku":null,"price":141.75,"currency_code":"USD","in_stock":true},{"title":"Urban Green \/ 0.28mm EF","offer_id":47409973067810,"sku":"PKN-7000C-4","price":141.75,"currency_code":"USD","in_stock":true},{"title":"Urban Green \/ 0.38mm F","offer_id":47409973100578,"sku":null,"price":141.75,"currency_code":"USD","in_stock":true},{"title":"Urban Green \/ 0.5mm M","offer_id":47409973133346,"sku":null,"price":141.75,"currency_code":"USD","in_stock":true},{"title":"Abyss Blue \/ 0.28mm EF","offer_id":47409973166114,"sku":"PKN-7000C-5","price":141.75,"currency_code":"USD","in_stock":true},{"title":"Abyss Blue \/ 0.38mm F","offer_id":47409973198882,"sku":null,"price":141.75,"currency_code":"USD","in_stock":true},{"title":"Abyss Blue \/ 0.5mm M","offer_id":47409973231650,"sku":null,"price":141.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/O1CN01oMxtEI1xZojjWhvqo__2217680676458.webp?v=1788920771","url":"https:\/\/www.xypen.com\/products\/platinum-curidas-knock-type-fountain-pen","provider":"XYPen","version":"1.0","type":"link"}