The Starrett 117D Center Punch is a high-quality tool designed for the job. The center punch has a 5/32" diameter and 4 in. length. The knurled finish allows you to get a firm grip on the steel center punch. It is made of durable steel with a 5/32" point that can be used to mark metal, rivets, screws and bolts before drilling or punching holes. This Starrett Center Punch is the high-quality tool designed for the job.. This item has been restricted from sale in the following state (s): []