18 Dapping Punches Doming Block Hammers Tools This is a new set of 18 steel dapping punches Used for shaping, forming and chasing metal in dapping blocks These are chrome tempered steel and are made of the finest metals that are case hardened These punches measure approximately 3.52, 4.18, 4.57, 5.06, 5.6, 6, 6.53, 7.05, 7.43, 7.9, 9, 10.12, 10.88, 12, 13.04, 14, 14.93 and 16 mm (0.13", 0.16", 0.17", 0.19", 0.22", 0.23", 0.25", 0.27", 0.29", 0.31", 0.35", 0.39", 0.42", 0.47", 0.51", 0.55", 0.58" and 0.62") This is a new 4 in 1 forming block