If you are looking for a tool that can deliver precise, strong blows to metal, the Proto J415/8S2 Center Punch is what you need. The modified parabolic striking end of this center punch gives it an effective point and delivers strong blows to metal. The S2 hardened tool steel has a black oxide finish and ensures maximum strength and durability. It also has a 5 1/4 in. length with a 9/16 in. diameter and comes with straight wireway. This Proto Center Punch is the durable, high-quality tool designed for your specific needs.