The Uni-ball One gel pen series features a new pigmented ink designed to make dark inks darker and bright inks brighter and more vibrant. The pens also feature a metal tip for writing stability, a durable hinged wire pocket clip, and a comfortable round barrel that is both lightweight and well-balanced.

Pen measures 5.5” long and accepts the Uni UMR-38S and UMR-5S refills.

Available in .38mm and .5mm tip sizes. Black ink only, with additional refills sold separately.

Made in Japan.