SpringTools AMA996 4 Piece Metalworking Set with High Speed Steel Center Punch, Self Centering Center Punch, 5/16-Inch Cold Chisel, Combination Prick Punch & Center Punch. High Speed Steel Center Punch Hardened to Rc65 for Precision Marking on Hardened Steel Surfaces. High Temper Steel Tip Can Be Resharpened Without Loss of Hardness. This Tool Is Ideal For Removing Rivit Bodies 5/16" Cold Chisel Is Designed To Remove Metal Burrs, Rivets, Screw & Nail Heads, Peening Welds And Other Metal Protrusions. Also great for notching sheet metal and other light materials. Outstanding tool for working in hard to reach areas The Self Centering Center Punch Tool Is Ideal For Mounting Brackets, Hinges And Other Hardware To Metal Surfaces. Center Punch is Ideal for Marking Wood Or Steel for Drilling. Guaranteed To Never Have Your Drill Wander Off spot Mark Again. All SpringTools Impact Tools Are Made In The USA And Are Guaranteed For Life.