General Tools 78 Heavy-duty Automatic Center Punch (31066)

• One-handed spring impact operation; no hammer needed
• Spring tension adjusts for light or heavy strokes and marking
• All-steel body with knurled finger grip, and rust-resistant black oxide finish.
• Replaceable hardened steel point (#78P)

The #78 Heavy-duty Automatic Center Punch can punch, mark, scribe and start drill, nail or screw holes. It is ideal for machinists and automotive repair pros.