Drill mounted buffing kit. Ideal for use on aluminum, brass, copper, nickel, chrome, stainless steel, silver, gold, and most hard plastic. Includes White Rouge compound, Emery compound, Tripoli compound, 2-1/4″, 3″, and 4″ cotton buffing wheels, 1/4″ mandrel, nut and washers. For use with 3/8″ or 1/2″ chuck drills. 3450 max rpm (revolutions per minute).