Dmo® 9521X Ergonomically Designed Professional Heavy-Duty High-Performance 10 Amp, 1200 Watt 6/7" Rotary Polisher, and Sander. Premium soft starting polisher with variable speed control from 450 to 1950 RPM. It has a precision machined double gear drive that maintains high torque levels at low speeds, which is ideal for polishing.