"Finely shape, bead and smooth mild steel up to 16 gauge and aluminum and copper up to 1/8in. with this 110V Planishing Hammer. Material Type Metal, Dies qty. 1 Set, Includes 1 Planishing hammer, Throat Depth in. 24, Dimensions L x W x H in. 18 x 30 x 72. 3-position air flow regulates speeds of pneumatic hammer 2-die set brackets Quick-change upper dies Comes with pair of anvil and upper die set"