1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 5/16". Made of Tool Steel. Punch Section Centerless Ground. Handles Black Oxide for Rust Prevention. Knurled Body for Better Grip. Hardened Both Ends, Rc 45 to 52. Points Precision Ground. 4" Length. Supplied in Fitted Pouch with Clear Size Markings. - 8 pc PEC Drive Pin Punch Set PEC 8pc Drive Pin Punch Set (6300-008)