A 7-piece buffing/polishing kit designed for both ferrous and non-ferrous metals. Maximum speed 4000rpm. Features and Benefits Emery stick cutting compound for deburring; buffing on copper, brass, aluminium, steel, stainless steel, nickel & iron Extra-fine Diamond stick compound for polishing on chromium, stainless steel, carbon steel, brass & aluminium Tripoli compound stick-cutting compound for use on non-ferrous metals such as copper, brass and aluminium Contents White - Diamond compound stick Brown - Tripoli compound stick Black - Emery compound stick 100mm diameter cushion-sewn buffing wheel 75mm diameter cushion-sewn buffing wheel 50mm diameter cushion-sewn buffing wheel Threaded arbor