Our largest, most robust Center Punch is the professional choice for marking and staking the toughest metals. The one handed operation makes accurate marks without the need for a hammer. In addition, the amount of impact force can be adjusted for working with lighter materials. Includes a threaded, replaceable steel point. Our biggest and toughest center punch. Great for punching, marking and staking. Provides accurate center punches to prevent drill bits traveling. One handed operation no hammer needed! Spring tension impact adjustments for working with lighter materials. Black oxide finish to prevent rust. Hardened steel point is replaceable Item 78P .