{"product_id":"uni-ball-one-f-black-gel-pen","title":"uni-ball One F Black Gel Pen – 0.38mm \/ 0.5mm","description":"\u003ch2\u003eDeeper Black, Finer Line\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003euni-ball One F\u003c\/strong\u003e is the fine-tip evolution of the acclaimed uni-ball One series. Featuring a newly designed tip and barrel, it delivers an even smoother ink flow with the same signature deep black colour that uni-ball One is known for.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAvailable in 0.38mm and 0.5mm tip sizes\u003c\/li\u003e\n\u003cli\u003eDeep black pigment gel ink — water-resistant and vibrant\u003c\/li\u003e\n\u003cli\u003eRedesigned fine tip for improved precision and control\u003c\/li\u003e\n\u003cli\u003eCompact, lightweight barrel ideal for on-the-go writing\u003c\/li\u003e\n\u003cli\u003eMade in Japan by Mitsubishi Pencil Co.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eQ: What is the difference between uni-ball One and One F?\u003c\/h3\u003e\u003cp\u003eA: The One F features a redesigned tip geometry for finer, more precise lines, along with a slightly slimmer barrel profile compared to the standard One.\u003c\/p\u003e\u003ch3\u003eQ: Is the black ink truly deeper than standard gel pens?\u003c\/h3\u003e\u003cp\u003eA: Yes. uni-ball One ink uses a special formula that penetrates paper fibres for a visibly deeper, richer black compared to conventional gel inks.\u003c\/p\u003e\u003ch3\u003eQ: Is it water-resistant?\u003c\/h3\u003e\u003cp\u003eA: Yes. The pigment-based ink is highly water-resistant once dry, making it suitable for important documents and notes.\u003c\/p\u003e\u003ch3\u003eQ: What refill is compatible?\u003c\/h3\u003e\u003cp\u003eA: The uni-ball One F is compatible with UMR-05F and UMR-38F refill cartridges.\u003c\/p\u003e","brand":"Uni","offers":[{"title":"0.38mm 4 Pack","offer_id":46621811310626,"sku":"UMN-SF-1","price":23.3,"currency_code":"USD","in_stock":true},{"title":"0.5mm 3 Pack","offer_id":46621811343394,"sku":"UMN-SF-2","price":20.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/UMN-SF-38.jpg?v=1787882347","url":"https:\/\/www.xypen.com\/products\/uni-ball-one-f-black-gel-pen","provider":"XYPen","version":"1.0","type":"link"}