This 7 in. Rotary Polisher features a brushless motor for efficient performance and runtime. No-load speed of 800-2200 RPM with the variable-speed trigger and dial allow for use on cars, headlights, windshields, fiber glass, gelcoat, and for glass-polishing applications. The included 7 in. backing plate is recommended for most applications. Includes: DCM849 Rotary Polisher7" Backing PlateSide HandleBail Handle | DEWALT 20V Max XR 7" Cordless Variable-Speed Rotary Polisher (Tool Only) DCM849B