Our Drive Pin Punches have been machined to exacting tolerances for accurate driving without damaging the pin or hole. The punch ends are ground square to sit flush on the top of the pin. Made of hardened tool steel with a knurled body, Generals Drive Pin Punches can either be held by hand or with our Punch and Chisel holder. This eight piece set features standard length (4 in.) punches and is packaged in a plastic travel case. Precision engineered and machined for an exact fit. Includes eight punches: 1/16, 3/32, 1/8, 5/32, 3/16, 7/32, 1/4 and 5/16 in. Overall tool length is 4 in.. Made of hardened tool steel with knurled body. Packaged in a plastic case.