36 Steel Dapping Punches Great for Metalsmiths & Metal Working. This is a new set of 36 steel dapping punches. 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") We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.