Features Heat Treated for Strength and Ductility. Modified Parabolic Striking End to Help Reduce Mushrooming and Chipping Tether Style / Standard Tool (Accessory Needed for Tethering) Number of Pieces / 7 Sizes Included / 1/16 in, 1/4 in, 1/8 in, 3/16 in, 3/32 in, 5/32 in, 7/32 in Punch Piece Design / 1-Piece Design Material / S2 Steel Length / 3-3/4 in, 4-1/4 in, 4-3/4 in, 5-1/4 in, 5-7/16 in, 5-7/8 in, 6-7/16 in Includes / Tool Roll Pouch