Wood DAPPING Block Set DAPPING Tools DOMING Punch DOMING DIE Metal Shaping Tools Dimensions: 3.9' 6.7' 1.5' WOODEN SWAGE U-CHANNEL FORMING BLOCK & HAMMER PUNCHES SWAGE FORMING & SHAPING TOOL Punch Diameters: 8.25mm - 10mm - 13mm - 17.5mm - 19mm - 23mm Wooden swage has 6 round channels for forming along with a 90° V-groove on the bottom side. The punches are like hammers each one is made to use with the matching groove. Swage come with 6 hammer- punches which correspond to the grooves of the swage block.