{"product_id":"uni-ball-signo-umr-83-gel-ink-pen-refill-0-38mm-pack-of-10-black-blue-red-and-blue-black-compatible-with-umn-155-38-umn-103-japan-mitsubishi-pencil","title":"Uni-ball Signo UMR-83 Gel Ink Pen Refill 0.38mm - Pack of 10 | Black, Blue, Red and Blue-Black | Compatible with UMN-155-38 UMN-103 | Japan Mitsubishi Pencil","description":"\u003ch2\u003eUltra-Fine Precision, Ten at a Time - Uni-ball Signo UMR-83 0.38mm Gel Refill\u003c\/h2\u003e\u003cp\u003eIntroducing the \u003cstrong\u003eUni-ball Signo UMR-83 Gel Ink Pen Refill 0.38mm\u003c\/strong\u003e - the authentic Japan Mitsubishi Pencil replacement refill for the uni-ball Signo retractable gel pen series in the ultra-fine 0.38mm diameter. Available in four ink colours - \u003cstrong\u003eBlack\u003c\/strong\u003e, \u003cstrong\u003eBlue\u003c\/strong\u003e, \u003cstrong\u003eRed\u003c\/strong\u003e, and \u003cstrong\u003eBlue-Black\u003c\/strong\u003e - each pack contains 10 refills in Mitsubishi Pencil's signature colour-coded hanging card format. Compatible with UMN-155-38, UMN-103, and all standard Signo retractable bodies marked as UMR-83 compatible.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 Ink Colours - Black, Blue, Red and Blue-Black:\u003c\/strong\u003e Black for exams, professional documents, and everyday writing. Blue for notes, annotations, and colour-coded study systems. Red for marking, corrections, and emphasis. Blue-Black for sophisticated handwritten documents and signatures - reads as black in photocopies with a distinctive blue undertone. Each colour is presented in a matching colour-coded hanging card pack with the uni-ball Signo logo and UMR-83 model number.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.38mm Ultra-Fine Ball - Sharper Than Standard 0.5mm:\u003c\/strong\u003e The UMR-83 delivers a 0.38mm ultra-fine gel ink line - significantly finer than the standard 0.5mm UMR-85N refill. The ultra-fine tip is ideal for small handwriting, dense study notes, detailed annotations, and any writing that demands maximum precision on ruled paper. A favourite among students who write small and fast, and professionals who need clean, precise lines in compact spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with Signo Retractable Bodies - UMN-155-38, UMN-103 and More:\u003c\/strong\u003e The UMR-83 is the standard replacement refill for Mitsubishi Pencil's Signo retractable gel pen range in the 0.38mm diameter - including the UMN-155-38 (Signo RT1 0.38mm) and UMN-103 (Signo RT 0.38mm). Simply click out the old refill and click in the new one - no tools, no mess, no waste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUni-ball Signo Gel Ink - Smooth, Skip-Free, Water-Resistant:\u003c\/strong\u003e The UMR-83 uses Mitsubishi Pencil's premium Signo gel ink formula - smooth, consistent flow from first stroke to last, with no skipping, no blobbing, and no feathering on standard paper. Ink is water-resistant once dry, ensuring your notes and documents remain legible even if exposed to moisture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJapan Mitsubishi Pencil Authentic - Pack of 10, Better Value:\u003c\/strong\u003e Each pack contains 10 authentic Japan Mitsubishi Pencil UMR-83 refills in a convenient hanging card format - guaranteed genuine. Buying in a pack of 10 delivers significantly better value than single refills. Stock up in all four colours and never run dry at a critical moment.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni (Mitsubishi Pencil)","offers":[{"title":"Black","offer_id":54813558538612,"sku":"UNI-UMR83-038-PACK10","price":16.99,"currency_code":"GBP","in_stock":true},{"title":"Navy","offer_id":54813558571380,"sku":"UNI-UMR83-038-PACK11","price":16.99,"currency_code":"GBP","in_stock":true},{"title":"Red","offer_id":54813558604148,"sku":"UNI-UMR83-038-PACK12","price":16.99,"currency_code":"GBP","in_stock":true},{"title":"Blue","offer_id":54813558636916,"sku":"UNI-UMR83-038-PACK13","price":16.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/5727\/1412\/files\/1000014658.jpg?v=1781493181","url":"https:\/\/www.ttpen.co.uk\/products\/uni-ball-signo-umr-83-gel-ink-pen-refill-0-38mm-pack-of-10-black-blue-red-and-blue-black-compatible-with-umn-155-38-umn-103-japan-mitsubishi-pencil","provider":"TTPEN UK","version":"1.0","type":"link"}