Pentel Gel Roller KR507 0.3 mm Blue 12 pieces

Gel Roller KR507 0.3 mm Blue 12 pieces Ultimate writing comfort thanks to a custom fit. Unique patented design allows user to adjust pen barrel shape to his or her own hand's contours. Most ergonomic pens recognize three comfort points. Pentel's Adjust-a-Grip feature addresses a fourth point and alleviates stress and writing fatigue for the entire hand. Enjoy nonstop writing comfort and ease. Gel pen writes smooth, medium lines with black, acid-free ink and uses Pentel's KFR7 refill cartridge.