Uni Signo 307 Gel Pen Refill, 0.7 mm

These refills are made for Uni Signo 307, is a super-smooth retractable pen with dark, fade-resistant ink that makes a bold impression. These pens use a special, low-viscosity gel ink that flows through the tip with no skipping, blotches, or stickiness. You still get the luxurious, smooth feel of a gel pen, but Uni's proprietary Nano Fiber Ink dries more quickly and offers a dependable, clean line.

0.7 mm line width. Sold individually. Made in Japan.

About Mitsubishi Pencil Co., Ltd.:

Founded in the 19th century in Tokyo, Mitsubishi Pencil has been one of the world's leading pen and pencil manufacturers for generations. Well-known around the world for their Uni brand of pens and pencils, Mitsubishi continues to innovate and release new products, like POSCA paint markers and an ever-expanding lineup of writing pens.

Fun fact: "Mitsubishi" means "three diamonds," and the name and three-diamond mark of Mitsubishi Pencil predates the better-known Mitsubishi Group by ten years. Despite sharing the same name and symbol, Mitsubishi Pencil is not related to any of the numerous other Mitsubishi companies in Japan.