36 Dapping Punches & Block for Metalsmiths, Metal Working & Shaping, Forming & Chasing Metal This is a new set of 36 steel dapping punches and brass block Used for shaping, forming and chasing metal in dapping blocks These are chrome tempered steel and are made of the finest metals that are case hardened These punches measure from approximately 2.8 to 22.6 mm (0.11" to 0.88") The brass block measures approximately 1 1/4" x 1 1/4" x 1 1/4" (32 x 32 x 32 mm) has half spheres that measure from about 2.3 to 22.6 mm (0.09" to 0.88") Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.