{"product_id":"uni-ball-signo-rt-umn105-sampler-5-pen","title":"Uni-ball Signo RT UMN-105 Sampler 5-Pen Set Japan","description":"\u003ch2\u003eUni-ball Signo RT UMN-105 — Try-Before-You-Commit Sampler Set, 5 Pens (3 Black + 1 Blue + 1 Red), 0.5mm, Japan\u003c\/h2\u003e\n\n\u003cp\u003eThe UMN-105 is one of Japan’s most trusted retractable gel pens. This sampler set gives you five pens across three ink colours — three black for daily writing, one blue for annotation and correspondence, one red for correction and emphasis — so you can experience the full Signo RT writing range before committing to a full box.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Pen Sampler — 3 Black, 1 Blue, 1 Red:\u003c\/strong\u003e The most practical colour ratio for a desk or pencil case — three black pens cover daily writing, exams, and note-taking; one blue covers correspondence and annotation; one red covers correction, marking, and emphasis. A complete writing toolkit in a single purchase, sized for a bag rather than a storeroom.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater-Based Pigment Gel Ink — 0.5mm, Waterproof \u0026amp; Fade-Resistant:\u003c\/strong\u003e Uni-ball’s water-based pigment gel ink delivers a smooth, consistent 0.5mm line that is waterproof once dry and fade-resistant over time — ink that holds through highlighter passes, damp conditions, and long-term archiving without feathering or bleeding on standard paper weights.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteel Needle Tip — Precision Sightline, Clean 0.5mm Line:\u003c\/strong\u003e The stainless steel needle tip provides a clear sightline to the writing point, making it easier to write precisely along ruled lines, fill in answer boxes, and annotate tight margins — a practical advantage for exam writers and anyone who needs to place every character accurately under time pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber Grip — Comfort \u0026amp; Control Through Long Sessions:\u003c\/strong\u003e The lower grip section is moulded in soft rubber that cushions finger pressure and reduces hand fatigue during extended writing sessions — a design detail that makes the UMN-105 the pen students and professionals reach for when they have hours of writing ahead of them.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefillable — Signo RT Platform, Made in Japan:\u003c\/strong\u003e Each pen is compatible with Uni-ball UMR-85 replacement refills — a pen body built to outlast its first refill by years. Manufactured in Japan to Uni-ball’s precision quality standard. The same pen trusted in classrooms and offices across Japan, now in a sampler set sized for first-time buyers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is included in this sampler set?\u003c\/strong\u003e\u003cbr\u003eThe set contains 5 pens: 3 x Black (UMN-105-BK), 1 x Blue (UMN-105-BL), and 1 x Red (UMN-105-R) — all 0.5mm, all Signo RT platform.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this the same pen as the full box of 12?\u003c\/strong\u003e\u003cbr\u003eYes — identical pens, smaller quantity. The sampler set is designed for first-time buyers who want to try the UMN-105 before purchasing a full box of 12.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat refill does the UMN-105 use?\u003c\/strong\u003e\u003cbr\u003eThe UMN-105 is compatible with the Uni-ball UMR-85 gel ink refill (0.5mm). Refills are available separately in our store.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the ink waterproof?\u003c\/strong\u003e\u003cbr\u003eYes. Uni-ball’s water-based pigment gel ink is waterproof once dry and fade-resistant over time — suitable for documents, journals, and any writing intended to last.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhere is this pen made?\u003c\/strong\u003e\u003cbr\u003eMade in Japan. Each pen is manufactured to Uni-ball’s Japanese quality standard and marked accordingly on the packaging.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e UNI-GEL-UMN105-SAMPLER\u003c\/p\u003e","brand":"Uni-ball","offers":[{"title":"Default Title","offer_id":55205188993396,"sku":"UNI-GEL-UMN105-SAMPLER","price":9.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/5727\/1412\/files\/1000018378.jpg?v=1787213953","url":"https:\/\/www.ttpen.co.uk\/products\/uni-ball-signo-rt-umn105-sampler-5-pen","provider":"TTPEN UK","version":"1.0","type":"link"}