... ,equipped with head lock,combination of fast converting polisher and multi-function power box,it's designed ... on,with the indicating lamp on and the polisher head turns slowly.7.Adjust the speed controller ... to the muninum when start or stop the polisher. Features: 1,Easy to use dialing speed ... Vibration,5,Fashion design for comfrt grip,6,Nail machine stand inclued, 7,Foot pedal for easy operation . ...