SP150 3 in 1 Slot Punch is a combination hole punch, slot punch, and corner cutter. The adjustable knob is easy and quick conversion for 3 kinds of functions.
(1)1-hole paper punch(1/4" hole)
(2)Slot punch- slot is 1/8" x 9/16".
(3)Corner cutter-3.5mm radius-cut
Punching capacity:20 sheets of 20 lbs paper or 1.0mm thickness plastic sheet.