This ink refill is compatible with Uni-ball Signo UM-153 Broad Gel Pens - 1.0 mm.
Enjoy a delightfully smooth and bold writing experience with these Uni-ball Signo UM-153 Broad gel pens. With archival-quality ink, the pen's performance is perfect on light and dark-coloured paper. The ink is also resistant to water to prevent damage from water.
The Uni-ball Signo UM-153 has a large, stylish, transparent body, making it easy to see its remaining ink volume. Its thick grip effectively absorbs the pressure during writing or drawing.