Doming Block Jewelers Dapping Punch Bench Metal Tools This is a new steel dapping block The depressions have a smooth finish that is great for shaping metal Made from high carbon tool steel that is precision machined and hardened to perfection Has 21 various sized half spheres The block measures approximately 2 1/2" x 2 1/2" x 2 1/2" (63.5 x 63.5 x 63.5 mm)