Mill, Hammer, Grinder, 6-1/2" Dia, Rong Tsong, 1 HPMill, Hammer, Grinder, 6-1/2" Dia, Rong Tsong, 1 HP. Hammer Mill, Herb Grinder /Pulverizer, manufactured by Rong Tsong Iron Works with cast aluminum frame and stainless steel chamber, which measures 6-1/4" diameter x 3" high. Features carbon steel swing type hammers...