Great for customizing aluminum underhood parts such as water pumps, perfor- mance intake manifolds, etc. Also returns brass household goods back to their original, rich luster. Includes two buffs (Spiral Sewn and Loose Section); two tubes of Buffing Compound (12.75 oz. Tripoli and 16 oz. White Rouge); and 8 page instruction booklet. Also great on magnesium parts.