Use as an automatic center punch to mark, scribe, punch, and start drill, nail or screw holes, even to break glass. Heavy duty spring-loaded operation delivers a powerful strike with one hand operation (no hammer required).
Super Strong Automatic Center Punch - 5 Inch Black Steel Spring
Starrett Steel Automatic Center Punch with Oman
Natoli catalog 2007
General 79 Center Punch, 1/2 in Tip, 4-7/8 in L, Steel Provides accurate center punches to prevent drill bits from traveling, handles heavy-duty metals, yet not overbearing when working with wood or thin-walled tubing. One-handed operation, no hammer needed. Spring tension impact adjustments for working with lighter materials. Black oxide finish to prevent rust.
General Tools Steel Automatic Center Punch
Super Strong Automatic Center Punch - 5 Inch Black Steel Spring
Premium Heavy Duty Automatic Center Punch - Pack of Guinea
Natoli Catalogue, PDF, Tablet (Pharmacy)
Canadian Tire Weekly Flyer - The Ultimate Tool Guide (ON) - Aug 25
5 Adjustable Automatic Center Punch
Tablet Compression Accessories Catalog 5th Edition