BEADSMITH-Vintaj: Dappling Block. This wood Dappling Block is ideal for creating domed and shaped metal pieces. Simply place a metal blank into a depression then use a punch tool and a hammer to give it a convex shape. The block has overall dimensions of 2-1/4x 2-1/4x2-1/4 inches and there are six depressions each with a different depth and size. Two wood punch tools are included-- each measures 4 inches long and will not mar or scratch the metal surface. Complete package contents include one wood doming block and two wood punch tools. Imported.