ALUMINUM, POWDER COATED BASE THAT FITS BOTH THE MIL-RITE AND MIL-MASTER ELECTRIC GRAIN MILLS. THIS PART IS AVAILABLE IN EITHER POLISHED ALUMINUM OR POWDER COATED FINISH in 12 colors. PLEASE SPECIFY WHEN ORDERING. Two types are available, one with pre-tapped mounting pilot holes for the meat grinder attachment, part #Retsel Chopper Pro # 2511 or one without. Price is the same, please specify when ordering.