Uni-Ball - Uni-Ball Air 0.5Mm - Blue - Pack of 12

The revolutionary nib of the Air, unlike conventional rollerballs, is pressure sensitive, meaning that it gives a writing experience and differentiating line width similar to that of a fountain pen. It is the ideal pen for professionals with a high performance ink technology and a precise needle tip of 0.5 mm for smooth elegant script. It comes in a variety of different colors to suit all occasions and purposes.