Grass Padrique | The Fabulous Scientist The Uni-ball One is a gel pen designed around one particularly distinctive feature: its ink. Uni developed a pigment-based formulation with relatively large pigment particles that tend to remain closer to the surface of the paper rather than being absorbed deeply into the fibers. The result is unusually dark, crisp black ink and… Continue reading Uni-ball One F Review: The Perfect Gel Pen for On-the-Go Writers
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