Uni-Ball UB-150 Eye are water-based ink rollerball pens. These pens have a flow system which keeps ink delivery consistent. There is also an ink view level on the side of the pen which shows how much ink is remaining.
- Capped rollerball pens
- 0.5mm ball produces a 0.2mm line
- Smooth water-based ink
- Ink delivery system for consistent flow
- Ink level indicator
- Cap can be place on the end of the pen