EURO TOOL (DAP-708.00) 8 Punch Dapping Block Set Specifics - Cavity sizes are 28, 24, 20, 18, 15, 12, 9 and 6 millimeters. The entire set weight 5.5 pounds. Dapping tools are made of polished steel and the base is a hard wood stand with measurements of 6-3/4 x 5 x . Uses  Dapping blocks and punches are primarily used for metal media work such as sinking, doming, punching and forming. Many jewelers will use tools such as this to form their item into the perfect shape. Sinking is a method in which sheet metal is formed into a non-flat object by striking the dapping tools into indentations for a desired shape or effect. Features  The wood base organization stand doubles as a soft-surface bench block when flipped on reverse side. Superior Quality  EURO TOOL products are the pinnacle of quality, and stand alone at the top in the industry of craft, hobby, DIY projects and jewelry tools. Make sure your tools have the name EURO TOOL.