24 Dapping Punches & Block for Metalsmiths, Metal Working & Shaping, Forming & Chasing Metal24 Dapping Punches. This is a new set of 24 steel dapping punches. Used for shaping, forming and chasing metal in dapping blocks. Made of hardened steel and has a Rockwell hardness of 45 HRC. These punches measure approximately 3.08, 3.57, 4.07, 4.6, 5.05, 5.43, 5.94, 6.41, 6.96, 7.49, 7.99, 8.47, 8.98, 9.93, 10.74, 11.96, 12.92, 13.97, 14.81, 15.78, 16.95, 18.03, 18.94 and 19.94 mm (0.12", 0.14", 0.16", 0.18", 0.19", 0.21", 0.23", 0.25", 0.27", 0.29", 0.31", 0.33", 0.35", 0.39", 0.42", 0.47", 0.5", 0.54", 0.58", 0.62", 0.66", 0.7", 0.74" and 0.78")Steel Dapping Block. This is a new steel dapping block. The depressions have a smooth finish that are great for shaping metal. Made from high carbon tool steel that is grinded, hardened and tempered and has a Rockwell hardness of 45 HRC. Has 18 half spheres that measure approximately 1.1, 3.2, 4.8, 6.4, 7.9, 9.5, 12.7, 14.3, 15.9, 17.5, 19.1, 20.6, 22.2, 25.4, 28.6, 31.8, 34.9 and 40 mm (0.04", 0.13", 0.19", 0.25", 0.31", 0.37", 0.5", 0.56", 0.63", 0.69", 0.75", 0.81", 0.87", 1", 1.13", 1.25", 1.37"and 1.57"). The block measures approximately 2" x 2" x 2" (51 x 51 x 51 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.