{"product_id":"uniball-signo-um151-028mm-pen-3pack","title":"Uni-ball Signo UM-151 0.28mm Gel Pen 3-Pack","description":"\u003ch2\u003eUni-ball Signo DX UM-151 0.28mm Gel Ink Pen 3-Pack\u003c\/h2\u003e\n\u003cp\u003eWidely celebrated as one of the finest-writing gel pens in the world, the Uni-ball Signo DX (UM-151) 0.28mm delivers unmatched hairline accuracy without compromising ink density. Engineered in Japan by Mitsubishi Pencil, this ultra-micro needle-cone tip features a micro-ground tungsten carbide ball that glides effortlessly across paper fibers, creating needle-thin, feather-free strokes. Ideal for miniature margin notes, intricate Japanese kanji, dense financial spreadsheets, and micro bullet journals, this value 3-pack provides peak technical precision right at your fingertips.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Micro 0.28mm Tip:\u003c\/strong\u003e Produces razor-sharp, crisp lines engineered for miniature handwriting, margin notes, and dense grid journals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArchival Waterproof Pigment:\u003c\/strong\u003e Infused with Uni Super Ink that bonds securely with paper fibers to protect against water spills, fading, and chemical tampering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Skip-Free Flow:\u003c\/strong\u003e Specially balanced pigment suspension prevents clotting and dry starts, maintaining even line weight at sharp angles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTextured Rubber Grip:\u003c\/strong\u003e Ergonomic tactile section provides stable finger support and minimizes hand fatigue during prolonged drafting or studying.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValue 3-Pack Convenience:\u003c\/strong\u003e Equips your desk, organizer, and field carry bag with ready-to-write Japanese ultra-fine pens.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Uni-ball (Mitsubishi Pencil)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Signo DX UM-151 (028)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Size:\u003c\/strong\u003e 0.28 mm (Ultra Micro)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInk Color:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInk Chemistry:\u003c\/strong\u003e Archival waterproof pigment gel ink (Uni Super Ink)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCap Type:\u003c\/strong\u003e Snap-fit airtight cap with pocket clip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 3 pens\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 0.28mm tip tear or scratch delicate notebook paper?\u003c\/strong\u003e\u003cbr\u003eA: No. Mitsubishi Pencil's specialized tip-finishing technique rounds the outer cone edges, ensuring the micro ball rolls freely without tearing thin or sensitive paper.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are refill cartridges available for the UM-151 0.28mm?\u003c\/strong\u003e\u003cbr\u003eA: Yes, each barrel is fully compatible with authentic Uni-ball UMR-1-28 replacement refills.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the store's customer support and cancellation policy?\u003c\/strong\u003e\u003cbr\u003eA: For order inquiries, please reach out directly to szjyf@outlook.com. Support requests are handled quickly after placing an order, and full refunds are available anytime before shipment is confirmed.\u003c\/p\u003e","brand":"Uni-ball","offers":[{"title":"Default Title","offer_id":69436059287586,"sku":"UNI-GEL-UM151-028-3PK","price":12.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/IMG_20261026_161100.jpg?v=1793002313","url":"https:\/\/www.xypen.com\/products\/uniball-signo-um151-028mm-pen-3pack","provider":"XYPen","version":"1.0","type":"link"}