General Tools & Instruments 87 Pocket Automatic Center Punch
Use this automatic center punch from General Tools to precisely punch material for drilling and layout work. This spring-operated tool drives a hard point in a single one-handed operation that eliminates striking a punch with a hammer. This pocket punch is designed for punching, marking, scribing and starting nail or screw holes. It has a lightweight aluminum body with replaceable alloy steel point for long wear. It adjusts for light or heavy markings, and has a pencil-slim design with a pocket clip.