1/16", 3/32", 5/32", 3/16", 7/32", 1/4", 5/16". Made of Brass. Punch Section Centerless Ground. Hexagonal Body Shape. Used in Spark-Free Environments. Hardened Both Ends, Rc 45 to 52. 4" Length. Set Supplied in Fitted Pouch with Clear Size Markings. - 8 pc PEC Brass Drive Pin Punch Set PEC 8pc Brass Drive Pin Punch Set (6300-008B)