Steel Dapping Block Great For Metalsmiths, Metal Working & Shaping Soft Metals & Waxes 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 precision machined and hardened to perfection Has 17 half spheres that measure approximately 3.52, 4.49, 5.17, 6.26, 6.31, 7.04, 8.92, 9.66, 10.37, 10.81, 12.14, 13.61, 14.2, 15.72, 15.9, 17.22 and 18.05 mm (0.13", 0.17", 0.2", 0.24", 0.248", 0.27", 0.35", 0.38", 0.4", 0.42", 0.47", 0.53", 0.55", 0.61", 0.62", 0.67" and 0.71") Has 18 half cylinders that measure approximately 3.29, 4.16, 6.43, 6.93, 7.05, 7.41, 7.79, 7.94, 9.1, 10.35, 10.67, 11.87, 13.58, 16.45, 17.22, 18.47, 20.1 and 21.65 mm (0.13", 0.16", 0.25", 0.27", 0.277", 0.29", 0.3", 0.31", 0.35", 0.4", 0.46", 0.53", 0.64", 0.67", 0.72", 0.79" and 0.85") Has 5 ovals that measure approximately 16.36 x 10.56 mm, 18.79 x 12.91 mm, 21.08 x 14.11 mm, 22.55 x 14.59 mm and 22.55 x 15.84 mm (0.64" x 0.41", 0.74" x 0.5", 0.83" x 0.55", 0.88 x 0.57" and 0.88 x 0.62") Has 3 v-shapes that measure approximately 2.13, 2.72 and 3.59 mm (0.08", 0.1" and 0.14") The block measures approximately 8" x 1 1/2" x 1 1/2" (203 x 38 x 38 mm) Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.