Dewalt DCM849P2 20V Max* Xr® 7 In. Cordless Variable-Speed Rotary Polisher KitDewalt DCM849P2 This 20V MAX* cordless kit includes a 7 in. Cordless Rotary Polisher, two 20V MAX* 5. 0Ah batteries, charger, and kit bag. The high efficiency brushless motor delivers up to 75% more runtime over brushed. No load speed of 800 2200 RPM with the variable speed trigger and dial allows for application on cars, headlights, windshields, fiber glass, gelcoat, and for glass polishing applications. The included 7 in. backing plate is