{"product_id":"uniball-signo-umr83-gel-refill-10-pack","title":"Uni-ball Signo UMR-83 Gel Pen Refill 10-Pack","description":"\u003ch2\u003eUltra-Fine Precision, Ten at a Time.\u003c\/h2\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eUni-ball Signo UMR-83 Gel Pen Refill\u003c\/strong\u003e, the authentic Japan Mitsubishi replacement for the iconic uni-ball Signo retractable gel pen series. Engineered for maximum precision, the ultra-fine 0.38mm tip delivers sharper, finer lines than standard 0.5mm refills—perfect for small handwriting, dense study notes, and detailed annotations.\u003c\/p\u003e\n\u003cp\u003eCompatible with standard Signo retractable bodies like the UMN-155-38 and UMN-103, this 10-pack ensures you never run dry. Choose from Black, Blue, Red, or sophisticated Blue-Black to keep your color-coded notes and professional documents looking their best.\u003c\/p\u003e\n\u003ch3\u003e✦ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.38mm ultra-fine ball\u003c\/strong\u003e — delivers sharper, finer lines than standard 0.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Signo compatibility\u003c\/strong\u003e — fits UMN-155-38, UMN-103, and more\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth, water-resistant ink\u003c\/strong\u003e — consistent flow with no blobbing or skipping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-pack value\u003c\/strong\u003e — ensures you always have a spare ready when you need it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentic Japanese quality\u003c\/strong\u003e — guaranteed genuine Mitsubishi Pencil performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e✦ Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTip Size: 0.38mm\u003c\/li\u003e\n\u003cli\u003eInk Colors: Black, Blue-Black, Blue, Red\u003c\/li\u003e\n\u003cli\u003eSet Quantity: 10 refills\u003c\/li\u003e\n\u003cli\u003eCompatible Pens: Uni-ball Signo (Retractable series)\u003c\/li\u003e\n\u003cli\u003eBrand: Uni-ball (Mitsubishi Pencil)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eQ: Which pens do these refills fit?\u003c\/h3\u003e\n\u003cp\u003eA: The UMR-83 is the standard replacement refill for Mitsubishi Pencil's Signo retractable gel pen range in the 0.38mm diameter, perfectly fitting the UMN-155-38 (Signo RT1) and UMN-103 (Signo RT).\u003c\/p\u003e\n\u003ch3\u003eQ: What does Blue-Black ink look like?\u003c\/h3\u003e\n\u003cp\u003eA: Blue-Black offers a sophisticated alternative to standard ink colors. It writes with a distinctive, elegant blue undertone but remains dark enough to read clearly as black in photocopies and official scans.\u003c\/p\u003e\n\u003ch3\u003eQ: Does the ultra-fine tip feel scratchy?\u003c\/h3\u003e\n\u003cp\u003eA: No! Despite the ultra-fine 0.38mm ball, Uni-ball uses a premium gel ink formula that ensures a remarkably smooth, consistent flow from the first stroke to the last.\u003c\/p\u003e","brand":"Uni-ball","offers":[{"title":"Black","offer_id":46759195410466,"sku":"UNI-UMR83-038-PACK10","price":22.94,"currency_code":"USD","in_stock":true},{"title":"Navy","offer_id":46759195443234,"sku":"UNI-UMR83-038-PACK11","price":22.94,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":46759195476002,"sku":"UNI-UMR83-038-PACK12","price":22.94,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":46759195508770,"sku":"UNI-UMR83-038-PACK13","price":22.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/1000014658.jpg?v=1788321371","url":"https:\/\/www.xypen.com\/products\/uniball-signo-umr83-gel-refill-10-pack","provider":"XYPen","version":"1.0","type":"link"}