Uni-ball Signo Gel pens are well-known for their smooth writing and high-quality ink. This UM-151 series also won't let you down. You can always find your desired colors from its wide range of colors. No matter you use its precise 0.38 mm tip for writing your meticulous notes or vivid colors for decorating your journals, it is a perfect choice. If you are looking for a retractable version of it, Uni-ball UM-155 RT1 - 0.38 mm is your choice.
The rubber grip effectively prevents hand pain even after excessive writing. The pigment-based ink is waterproof, fade-resistant, and feather-resistant which is very friendly to lefties.
These gel pens in black, blue-black, blue and red are refillable with Uni-ball UMR 1 Gel Pen Refills 0.38mm .