Steel Dapping Block Great For Metalsmiths, Metal Working & Shaping Soft Metals & Waxes This is a new set of 2 steel dapping blocks The depressions have a smooth finish that are great for shaping metal The half spheres and half cylinders are precision machined and hardened to perfection Has 9 half spheres on one side and 5 on the other side that measure approximately 3.90, 4.75, 5.88, 6.57, 7.50, 9.30, 11.40, 13.45, 15.65, 16.60, 18.50, 19.50, 21.50, and 24.60 mm (0.15", 0.18", 0.23", 0.25", 0.29", 0.36", 0.44", 0.52", 0.61", 0.65", 0.72", 0.76", 0.84", and 0.96") Has 8 half cylinders that measure approximately 5.00, 6.30, 8.00, 12.70, 15.90, 19.25, 22.60, and 24.75 mm (0.19", 0.24", 0.31", 0.49", 0.62", 0.75", 0.88", and 0.97") The block measures approximately 4 1/16" x 2 1/2" x 15/16" (103.6 x 63.5 x 24 mm) Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.