Product Description Hafco Automatic Centre Punch P368 Automatic centre punch is made from high carbon steel and hardened and tempered for a long working life, and there no need to use a hammer just line up & press. This punch has a 22mm ergonomically shaped body and a large 37mm curved end for a firm and safe grip. Centre punches are normally used to make an indentation in metal, plastic or wood prior to drilling to prevent the bit skating off target Features 22mm ergonomically shaped plastic body 37mm curved end to fit into palm of your hand Fully automatic single hand operation 6mm hardened steel centre punch Centre punch can be removed & sharpened 155mm long