This Two-Hole Metal Punch from Eurotool is precise and easy to use. Made of tool steel, each punch is tempered for making precision holes in soft metal up to 24 gauge. Can be used for plastic and other materials as well. Two different hole sizes, 1.6mm (1/16") and 2.30mm (3/32") can be made with this metal punch. Screw action makes holes without deforming metal.