Complete 26-Piece Metal Forming Dapping Doming Punch and Block Set 2.3mm to 25.0mm Complete set for dapping, doming & forming gold, silver, brass, copper 24 sphere punches 1 to 24mm in 1mm increments Each punch machined from one-piece solid tool steel; 3-1/2" length overall Steel dapping cube with 18 half-spheres 3.5 to 40mm; see description for complete size list Five Star Savings is the exclusive Distributor of Rosenthal Colection