Mitsubishi Uni Power Tank Pressurized Ball Point Pen 0.5/0.7/1.0mm 3pcs Set
Mitsubishi Uni-Ball Power Tank Air Pressurized Ball Point Pen0.5mm/0.7mm/1.0mm 3pcs Set. Can write on wet paper. This is an "Air-Pressurized" ball-point pen, which enables you to write in any condition.