Jewelry Brass Doming Dapping Jeweler Block 12 Punch Set. Brass Dapping Block. This is a new brass dapping block. The depressions have a smooth finish that are great for shaping metal. The half spheres are precision machined and hardened to perfection. Has various sized depressions that measure up to approximately 31.75 mm (1.25"). The block measures approximately 1 1/2" x 1 1/2" x 1 1/2" (38 x 38 x 38 mm) 12 Steel Dapping Punches. This is a new set of 12 steel dapping punches. Used for shaping, forming and chasing metal in dapping blocks. These punches measure approximately 4.09, 4.65, 4.98, 5.5, 5.95, 6.32, 7.05, 7.52, 8.04, 8.45, 9.89 and 10.92 mm (0.16", 0.18", 0.19", 0.21", 0.23", 0.24", 0.27", 0.29", 0.31", 0.33", 0.38" and 0.42"). 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.