14 Piece Aluminum Polishing Buffing Buffer Polish Wheel Kit Compound Bars Whether you're polishing cars or detailed crafts, this aluminum polishing kit gets the job done. Perfect for automotive and motorcycle polishing Polishes any type of aluminum, including billet aluminum 14 piece kit includes 3 compounds and 11 different buffs 1/4" spindle size Set includes: 6 oz. black emery polishing compound, 6 oz. brown tripoli polishing compound, 6 oz. white rouge polishing compound and 11 different buffs.