18 New Steel Dapping Punches for Metalsmiths & Metal Working18 Steel Dapping Punches. 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") Steel Forming Block. This is a new steel forming block. The depressions have a smooth finish that are great for shaping metal. Made from high carbon tool steel that is precision machined and hardened to perfection. Has a Rockwell hardness of 50 HRC. Has 10 half cylinders that measure approximately 2.84, 3.57, 5.56, 7.75, 10.26, 13.43, 16.32, 19.26, 22.93 and 24.42 mm (0.11", 0.14", 0.21", 0.3", 0.4", 0.52", 0.64", 0.76", 0.93" and 0.96"). Has seven 90 angles that measure approximately 2.15, 4.03, 5.07, 5.61, 7.26, 7.35 and 9.95 mm (0.08", 0.15", 0.19", 0.22", 0.28", 0.29" and 0.39"). Has 5 rectangles that measure approximately 2.17, 4.13, 5.36, 6.82 and 8.23 mm (0.08", 0.16", 0.21", 0.26" and 0.32"). The block measures approximately 2" x 2 1/2" x 2 1/2" (51 x 63.5 x 63.5 mm) We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.