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Quantity
1
Description
Uni-Ball One P - 0.5mm. The Uni-ball One series of pens is known for its simple, yet elegant design and impressively dark ink color. The Uni-ball One P (or Uni-ball One Pocket) is a redesign of this fan-favorite gel pen with an emphasis on ...
Reviews
5.0
17 ratings
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my new favorite pen. the ink really stands out and the pocket version is pleasantly chunky
L
Lainey · 19 days ago
I am a fan of the normal uni-ball ones, but the one P is the same weight despite its larger diameter and is easier for me to use. The color i scored is great too
A
Arden · January 30, 2026
We really like it
This was for my grandmother who has arthritis. She's been having issues writing lately and she loves to keep track of everything on paper and the thickness has been helping her to continue doing that. The ink dries pretty fast in her planners so there's no smearing issues either. Overall it's gone over great.