uniball™ ONE, Gel Pen Black Ink

Experience unmatched vibrancy and precision with these revolutionary gel ink pens. The specially formulated pigment ink makes dark colors appear richer and bright hues even more vivid, ensuring bold, smear-free writing without bleeding.

Designed for convenience, the durable wire clip opens wide for effortless attachment to folders, notebooks, or documents.

Perfect for artistic and personal projects, this smooth-flowing ink stays on the surface of the paper rather than being absorbed, creating crisp, clean lines every time.

Fun Fact: The uni One is officially recognized as a Guinness World Record holder for the darkest gel ink ball pen!