Precision Disk Punch Set

High Precision Punch Produces Accurate Disks and Holes in Metal, Plastic and CardstockHeavy-duty, precision ground die plates are separated by springs that hold them apart while you load the stock to be punched soft materials up to 1/8 inch thick. Tightening the handle squeezes the material between the die plates so that the precision ground punch can operate without tear-out or distortion of the base material. To operate punch, just tap with hammer or apply force with a press. Includes steel punches in the following diameters: 1/8, 3/16, 1/4, 5/16, 3/8, 7/16 and 1/2 inch diameter.