{"product_id":"uni-ball-signo-um-151-038mm-pen-set","title":"Uni-ball Signo UM-151 0.38mm Pen Set","description":"\u003ch2\u003eUni-ball Signo DX UM-151 Ultra Fine Gel Pen Set (0.38mm)\u003c\/h2\u003e\n\u003cp\u003eTailored for high-density note-takers, compact journalers, and technical drafters, the Uni-ball Signo DX UM-151 in 0.38mm is globally acclaimed for its microscopic line control and clean tactile feedback. This bundled set includes one complete capped gel pen accompanied by five authentic 0.38mm replacement refills (UMR-1). Formulated with Mitsubishi's proprietary pigmented emulsion, the ink locks into paper grain rapidly to deliver dark, crisp lines that resist water, smearing, and highlighter bleed even on thin planner papers.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Fine 0.38mm Stainless Steel Tip:\u003c\/strong\u003e Precision-milled ball housing creates razor-sharp, hair-thin lines without scratching, catching, or blotching on fine-grid grids.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePigment-Based Archival Ink:\u003c\/strong\u003e Waterproof and light-fast formulation protects financial records, study revision notes, and archival sketches against moisture and fading.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComfort Contoured Rubber Grip:\u003c\/strong\u003e Cushioned finger zone provides non-slip traction and steady handling during micro-lettering and long study hours.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSnap-Fit Cap with Secure Clip:\u003c\/strong\u003e Tight-sealing cap preserves nib freshness, while the built-in spring-steel clip fastens securely to notebook covers and binder pockets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValue-Packed 5-Refill Bundle:\u003c\/strong\u003e Includes five dedicated 0.38mm black ink refills, maximizing writing life while minimizing single-use plastic waste.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Uni-ball (Mitsubishi Pencil Co.)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Signo DX UM-151\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTip Size:\u003c\/strong\u003e 0.38mm ultra-fine point\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk Type:\u003c\/strong\u003e Water-based pigment gel ink\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk Color:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMechanism:\u003c\/strong\u003e Capped with pocket clip\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSet Contents:\u003c\/strong\u003e 1 x Signo UM-151 pen, 5 x 0.38mm replacement refills\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which refills fit this pen model?\u003c\/strong\u003e\u003cbr\u003e\nA: This pen uses the Uni-ball UMR-1 (0.38mm) refill series provided in this set. The pen barrel also accommodates 0.28mm (UMR-1-28) and 0.5mm (UMR-5) refills from the Signo DX lineup.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does the 0.38mm tip scratch or tear thin paper?\u003c\/strong\u003e\u003cbr\u003e\nA: No. Uni-ball's precision micro-machining rounds the edges of the tip cone, delivering crisp, scratch-free ink laydown even across delicate 52gsm fountain pen and planner papers.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How are the replacement refills packaged?\u003c\/strong\u003e\u003cbr\u003e\nA: All five refills come individually sealed with factory silicone protective tips to ensure factory-fresh ink flow until you unseal and insert them.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do order modifications and refunds work?\u003c\/strong\u003e\u003cbr\u003e\nA: Inquiries are supported after placing an order. You can request a full refund anytime prior to dispatch confirmation. Contact our dedicated support team at szjyf@outlook.com for order inquiries.\u003c\/p\u003e","brand":"Uni-ball","offers":[{"title":"Default Title","offer_id":69436100837410,"sku":"UNI-GEL-UM151-038-SET","price":14.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/IMG_20261026_161407.jpg?v=1793002620","url":"https:\/\/www.xypen.com\/products\/uni-ball-signo-um-151-038mm-pen-set","provider":"XYPen","version":"1.0","type":"link"}