Mill, Hammer, Grinder, S/st, 7" Dia, 1/2 HPMill, Hammer, Grinder, S/st, 7" Dia, 1/2 HP. Hammer Mill, Herb Grinder /Pulverizer, cast aluminum frame with stainless steel chamber. Grinding chamber measures 7" diameter x 1-1/2" high with carbon steel swing type hammers, carbide tipped. Mild steel feeding...