3PC 8 Inch Airway Buffing Wheel Kit for Polishing Stainless Steel, Aluminum & Brass

3PC 8 Inch airway buffing wheel kit: The kit includes each 1PC 8 Inch blue, orange and white airway buffing wheel. The blue airway buffing wheel is hard, used for first-stage cutting. The purpose is removing the burrs, marks and scratches. Using this wheel plus black polishing compound for polishing stainless steel. If you are polishing aluminum and brass, please using this wheel plus brown tripoli polishing.           The orange airway buffing wheel is with medium hardness, used for middle-stage polishing. The purpose is refining the surface and preparing the surface for final finishing. Using this wheel plus green polishing compound for polishing stainless steel. Using this wheel plus brown Tripoli polishing compound for polishing aluminum and brass.             The white airway buffing wheel is soft, used for final-stage finishing. The purpose is to polish and get a mirror-finished surface. Use this wheel plus white polishing compound for polishing stainless steel. Using this wheel plus all-purpose blue polishing compound for polishing aluminum and brass.           This airway buffing wheel kit can be used on polishing machines, bench grinders and angle grinders. Please use a tapered spindle adapter with these tools. Please control the tool’s rotation speed under 3000RPM.