This is the skin only version of the Mirka cordless random orbital polisher - AROP-B 312NV is light, nimble and ergonomic. Ideal for professionals who appreciate the freedom of movement and low maintenance of a cordless polisher. Mirka AROP-B 312NV has a brushless motor, a 77mm backing pad and a 12 mm orbit. Bluetooth connectivity offers additional features via the myMirka app, such as vibrations measurement, RPM range management and auto-stop function (some are in-app purchase). NOTE: Delivered without batteries and charger.