Pentel Quickball Ballpoint
- Black BK321A
- Red BK321B
- Blue BK321C
- Unique Slide-Advance mechanism Advances and Retracts Pen Tip
- Writes a Smooth Medium Line
- Slim Profile with Ridged Finger Grips for Increased Writing Control
- Clear Barrel So You Can Monitor Ink Supply
- Refillable
Refills
Ballpoint BKS10E
