Product Description 7pc Metal Polishing Buff & Rouge set 09551 Suitable for both Ferris and non-Ferris metals such as steel, stainless steel, brass, copper aluminium and alloys. The kit Contains3 x flat Buffing wheels, 1 x 1/4″ Hex shank mandrel to suit cordless drills and screw guns and comes with Black, Brown and white polishing compounds. Features 7pc set 3 x rouge 3 x Buff wheels Wheel diameters 50mm, 72mm, 100mm Contains the following polishing compounds BLACK = Emery compound, a course abrasive material for initial polishing in carbon and alloy steel for removal of scratches, pits, paint, rust etc. BROWN = Tripoli compound used forgeneral purpose medium rough polishingon most soft metals such asalloys WHITE = Blizzard compound, used for color and final finish of harder metals such as stainless steel, it has a cutting action and can also be used on copper etc