{"product_id":"uniball-signo-rt-umn-105-gel-pen-12-pack","title":"Uni-ball Signo RT UMN-105 Gel Pen 12-Pack","description":"\u003ch2\u003eUni-ball Signo RT UMN-105 — Precision Gel Pen, 0.5mm\u003c\/h2\u003e\n\u003cp\u003eExperience the gold standard of Japanese gel writing. The \u003cstrong\u003eUni-ball Signo RT UMN-105\u003c\/strong\u003e delivers ultra-smooth, consistent ink flow with a micro 0.5mm ball tip — trusted by students, professionals, and pen enthusiasts worldwide.\u003c\/p\u003e\n\n\u003ch3\u003e✦ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e0.5mm Micro Tip\u003c\/strong\u003e — Fine, precise lines ideal for detailed writing, note-taking, and forms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRetractable Click Mechanism\u003c\/strong\u003e — One-handed convenience, cap-free design\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater-based Pigment Gel Ink\u003c\/strong\u003e — Fade-resistant, waterproof, and smear-resistant once dry\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRubber Grip Zone\u003c\/strong\u003e — Ergonomic comfort for extended writing sessions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefillable Design\u003c\/strong\u003e — Compatible with UMR-85 refill cartridges\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in Japan\u003c\/strong\u003e — Manufactured to Mitsubishi Pencil's exacting quality standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e✦ Available Colors\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBlue | Black | Red\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e✦ Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eModel: UMN-105\u003c\/li\u003e\n  \u003cli\u003eTip Size: 0.5mm\u003c\/li\u003e\n  \u003cli\u003eInk Type: Water-based Pigment Gel\u003c\/li\u003e\n  \u003cli\u003eMechanism: Retractable (click)\u003c\/li\u003e\n  \u003cli\u003eGrip: Rubber\u003c\/li\u003e\n  \u003cli\u003eRefillable: Yes (UMR-85)\u003c\/li\u003e\n  \u003cli\u003eOrigin: Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e❓ Frequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is the Uni-ball Signo RT UMN-105 refillable?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. It is compatible with the Uni-ball UMR-85 gel ink refill cartridge, making it an eco-friendly and cost-effective choice for regular writers.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is the ink waterproof?\u003c\/strong\u003e\u003cbr\u003e\nA: The water-based pigment ink is highly water-resistant once dry, making it suitable for important documents, planners, and archival use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between UMN-105 and UMN-152?\u003c\/strong\u003e\u003cbr\u003e\nA: The UMN-105 features a 0.5mm tip for finer lines, while the UMN-152 uses a 0.5mm tip with a slightly different body design. The UMN-105 is the classic retractable model in the Signo RT line.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this pen suitable for left-handed writers?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The quick-drying pigment gel ink minimizes smearing, making it a great option for left-handed users.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How many pens come in a box?\u003c\/strong\u003e\u003cbr\u003e\nA: Each box contains 12 pens of the same color. Single pens are also available.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an authentic Japanese product?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. All pens are genuine Uni-ball (Mitsubishi Pencil Co.) products manufactured in Japan.\u003c\/p\u003e","brand":"Uni-ball","offers":[{"title":"Black","offer_id":46454481420322,"sku":"UNIBALL-GEL-UMN105","price":20.5,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":46454481453090,"sku":"UNIBALL-GEL-UMN106","price":20.5,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":46454481485858,"sku":"UNIBALL-GEL-UMN107","price":20.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/IMG_20260820_16064395_0_guid_99c42add2e934cd785b54492f8c9d047__gallery.jpg?v=1787213294","url":"https:\/\/www.xypen.com\/products\/uniball-signo-rt-umn-105-gel-pen-12-pack","provider":"XYPen","version":"1.0","type":"link"}