Dapping block used to shape softer metals into half rounds by hammering into the depressions. Create rounds by making two half-rounds and soldering together. Works great for clay projects. Stable rectangular block has 27 depressions ranging from 2mm to 24mm.
Dapping Tools>H20-3465TL>Tools>Jewelers Tools>Dapping Toolshttp://www.firemountaingems.com/itemdetails/h203465tlH203465TLDapping block, steel, 5 x 2-1/2 x 1-inch base with (27) 2-24mm half-sphere holes. Sold individually.//image1.fmgstatic.com/images/p3465tlb.jpg61.9761.97As Low As $36.03 per block