Uni-ball eye micro rollerball pens have a unique design with a handy see through window which allows you to monitor how much ink is left. Each pen contains a smooth writing rollerball nib so they're perfect for your everyday writing needs. Each pen has a micro 0.5 Mm nib which provides greater control for detailed, precise strokes.
You can use the pens for everyday writing and drawing. The smooth flowing liquid ink delivers a consistent writing experience. Each pen has a window in the barrel so you check how much ink is left. The pens contain uni super ink which is permanent, waterproof and fade proof once dry.