Uniball One Pen Refills - (0.5mm)

Refill your favorite Uniball pens with these signature refills. The Uniball pigment-based gel ink features rich deep colors and smear/bleed resist formulation. Available in 4 colors and two point sizes. 0.38mm extra fine is perfect for small writing and planners. 0.5mm is great if you like a bolder line and to see richer color in your writing. 

This refill is compatible with:

-Uniball One Gel Pens

-Uniball One F Gel Pens

-Uniball One P Gel Pens