【Versatile Satin Finish】: Specifically designed to achieve a professional brushed or satin finish on metal surfaces. It is ideal for restoring and detailing vehicle parts such as wheels, tanks, and bumpers made of aluminum, stainless steel, brass, or copper. 【Powerful Surface Pre-treatment】: Airway polishing wheels design allows to buff longer and cooler than standard buffs.Tough non-woven material can quickly remove heavy oxide layers, rust and paint from truck fuel tanks and wheel hubs, laying a perfect foundation for subsequent polishing. 【Applicable Machine Types】：This non-woven airway buffing wheel is suitable for polishing machines and must be operated with a safety flange. 【DIMENSIONS】: Diameter: 8"; Inner Arbor Hole:5/8 inch. Package: 1Pack. 【Attention】：Maximum safe operating speed: within 3000 RPM. Exceeding this speed will cause heat buildup, resulting in buffing wheel melting and residue transfer. For sharp, rough, or hard surfaces, reduce the speed and polish slowly to extend service life.