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Uni-ball UMR-85E Gel Pen Refill

The Uni-ball UMR-85E is the gel ink refill found in the Uni-ball Signo 307. It is the 0.5 mm version of the UMR-87E.

Prior to the release of the Signo 207 Plus+ in August 2020, the Signo 307 was the only pen that used the UMR-8*E family of inks. The 307 is sold in a 0.5 mm and 0.7 mm size. The 207 Plus+ was only released in 0.7 mm, but it will presumable be outfitted with the UMR-85E when a 0.5 mm pen is sold in this new line.

Uni-ball UMR-85E Gel Pen Refill Information

Street Price Check Price
Manufacturer Uni
Pen Type Rollerball / Gel
Sizes 0.5 mm
Ink Colors Blue, Black, Red
Max Body Width5.9 mm
Acid-Free? Yes
Erasable? No
Pressurized? No
Archival? Yes
Fade Resistant? Yes
Fraud Prevention? Yes
Quick Drying?No
Water-resistant? Waterproof?Waterproof
Ink BasePigment
Refill Length (cm)11.2 cm
Tip ShapeConical
Tip MaterialMetal
Refill StandardPilot G2
Quantity Sold1
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