12Pc 48HRC Hardened Carbon Steel Leather Hollow Punch Set Hardened Carbon Steel Hardness: 48HRC Size: 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 3/8, 7/16, 1/2, 5/8, 3/4 Zipper Pouch 12 Pieces