Wooden Dapping forming block made of hardwood to enable you to shape metal without marring your items. 11 different size oval depressions. Oval lengths in mm: 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72. Great for metal shaping and jewelry making. Use with wooden punch (see items 382313, 382314 and 382315 ).