SPTA Mini Polishing Machine Buffer Rotary Polisher Auto Detailing Superpolish with 27Pcs Detail Polishing Pad Mix Size Kit Buffing Pad and 75mm ,100mm,140mm M14 Thread Extension shaft. Rotary Polisher Fast Cutting: This Rotary Polisher is designed for quick and effortless cutting and polishing, featuring a powerful 7A motor and a 1000-5500 RPM variable speed that allows it to easily remove minor scratches and oxide layers with the balance, smoothness, and quiet operation expected of a professional-grade rotary buffer.