The Uni-Ball One is now a multi-color pen! The Uni-Ball One 3 offer three colors (black, blue, and red) with a twist-action mechanism. With three pens in one, you can carry it with you for color-coding, note taking, or annotating.
Specifications:
- 0.5 mm gel ink.
- Choose from Brick Red or Shirt Blue colorways.
- Refills sold separately.
