{"product_id":"uni-ball-one-f-black-gel-ball-pen","title":"uni-ball one F Black Gel Ball Pen","description":"\u003cul\u003e\n\u003cli data-start=\"168\" data-end=\"230\"\u003e\u003cstrong data-start=\"168\" data-end=\"230\"\u003eGood Design Award (Japan, 2022)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"168\" data-end=\"230\"\u003e\u003cstrong data-start=\"168\" data-end=\"230\"\u003eGuinness World Record - Blackest Gel Ink Ballpoint Pen\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp data-start=\"168\" data-end=\"230\"\u003e\u003cstrong data-start=\"168\" data-end=\"230\"\u003euni-ball one F\u003c\/strong\u003e\u003c\/p\u003e\u003cp data-start=\"232\" data-end=\"581\"\u003eUpgrade your writing experience with the \u003cstrong\u003eu\u003c\/strong\u003e\u003cstrong data-start=\"273\" data-end=\"291\"\u003eni-ball one F\u003c\/strong\u003e, a sleek and sophisticated gel pen engineered for precision, comfort, and clarity. Featuring \u003cstrong data-start=\"385\" data-end=\"416\"\u003euni-ball’s advanced one Ink\u003c\/strong\u003e, the one F delivers deep, rich blacks and vibrant colors that sit on the surface of the paper—resulting in crisp, smudge-resistant lines with minimal bleed-through.\u003c\/p\u003e\u003cp data-start=\"583\" data-end=\"859\"\u003eDesigned with a \u003cstrong data-start=\"599\" data-end=\"642\"\u003eweighted body and low center of gravity\u003c\/strong\u003e, the one F offers superior balance and control, making it ideal for long writing sessions. Its \u003cstrong data-start=\"738\" data-end=\"754\"\u003ewider barrel\u003c\/strong\u003e and \u003cstrong data-start=\"759\" data-end=\"781\"\u003edurable metal clip\u003c\/strong\u003e bring both ergonomic comfort and professional style to your everyday writing.\u003c\/p\u003e\u003cp data-start=\"866\" data-end=\"914\"\u003e\u003cstrong data-start=\"866\" data-end=\"914\"\u003euni-ball one F vs. uni-ball one P\u003c\/strong\u003e\u003c\/p\u003e\u003cp data-start=\"916\" data-end=\"1323\"\u003eWhile both pens use the same high-quality ink, the one F features a \u003cstrong data-start=\"1072\" data-end=\"1105\"\u003eheavier, more balanced and slimmer barrel\u003c\/strong\u003e with a \u003cstrong\u003elower center of gravity\u003c\/strong\u003e and a \u003cstrong data-start=\"1112\" data-end=\"1128\"\u003erefined grip\u003c\/strong\u003e, perfect for longer writing sessions.\u003cstrong data-start=\"1330\" data-end=\"1347\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp data-start=\"1330\" data-end=\"1347\"\u003e\u003cstrong data-start=\"1330\" data-end=\"1347\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli data-start=\"1350\" data-end=\"1440\"\u003e\n\u003cstrong data-start=\"1350\" data-end=\"1381\"\u003euni-ball one Ink Technology\u003c\/strong\u003e: Bright, bold ink that dries quickly and resists smudging.\u003c\/li\u003e\n\u003cli data-start=\"1443\" data-end=\"1538\"\u003e\n\u003cstrong data-start=\"1443\" data-end=\"1472\"\u003eErgonomic Weighted Design\u003c\/strong\u003e: Wider barrel and balanced feel for smooth, fatigue-free writing.\u003c\/li\u003e\n\u003cli data-start=\"1541\" data-end=\"1622\"\u003e\n\u003cstrong data-start=\"1541\" data-end=\"1560\"\u003eSleek Wire Clip\u003c\/strong\u003e: Strong, stylish, and easy to attach to notebooks or pockets.\u003c\/li\u003e\n\u003cli data-start=\"1625\" data-end=\"1685\"\u003e\n\u003cstrong data-start=\"1625\" data-end=\"1638\"\u003eTip Sizes\u003c\/strong\u003e: 0.38mm and 0.5mm for precise or bold writing.\u003c\/li\u003e\n\u003cli data-start=\"1688\" data-end=\"1749\"\u003e\n\u003cstrong data-start=\"1688\" data-end=\"1702\"\u003eRefillable\u003c\/strong\u003e: Compatible with uni-ball one gel ink refills.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe included ink color is \u003cstrong\u003eblack\u003c\/strong\u003e.\u003c\/p\u003e\u003cp data-start=\"1756\" data-end=\"1874\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eFor those who write with purpose and style, the uni-ball one F offers a premium upgrade over the everyday gel pen.\u003c\/p\u003e","brand":"mysite","offers":[{"title":"Muku (Gray) - 0.38mm","offer_id":53508489806142,"sku":"4902778279960","price":6.0,"currency_code":"USD","in_stock":true},{"title":"Hanagasumi (Pink) - 0.38mm","offer_id":53508489838910,"sku":"4902778279908","price":6.0,"currency_code":"USD","in_stock":true},{"title":"Hyuganatsu (Yellow) - 0.38mm","offer_id":53508489871678,"sku":"4902778279915","price":6.0,"currency_code":"USD","in_stock":true},{"title":"Shimobashira (Blue) - 0.5mm","offer_id":53508489904446,"sku":"4902778279922","price":6.0,"currency_code":"USD","in_stock":true},{"title":"Hashizuku (Green) - 0.5mm","offer_id":53508489937214,"sku":"4902778279939","price":6.0,"currency_code":"USD","in_stock":true},{"title":"Akanezora (Red) - 0.5mm","offer_id":53508489969982,"sku":"4902778279946","price":6.0,"currency_code":"USD","in_stock":true},{"title":"Keshizumi (Black) - 0.38mm","offer_id":53508490002750,"sku":"4902778279953","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1904\/8766\/files\/IMG_E8390_0.5x_f65bfa24-c762-42c1-a82d-c368d5542bc8.png?v=1779091604","url":"https:\/\/kawaiizaki.com\/products\/uni-ball-one-f-black-gel-ball-pen","provider":"KAWAIIZAKI","version":"1.0","type":"link"}