
Form metal sheet without marring using the wide variety of curvatures offered by the block in this convenient set. The large design block is 2-3/4" square and includes half-round, triangle and rectangle grooves for forming versatility as well as four concave depressions measuring 47, 51, 55 and 59mm dia. The small dapping block is 2" square and includes six half-sphere depressions measuring 28, 31, 34, 37, 40 and 43mm dia.