Uniball Pen Executive UB 150

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.