... and multi-function power box,it's designed for the polishing of nails,teeth,moulds,jades,and ... head turns slowly.7.Adjust the speed controller to increase the speed.8.Switch to the foot if ... quiet and smooth - No Vibration,5,Fashion design for comfrt grip,6,Nail machine stand inclued, 7, ... Foot pedal for easy operation . Specification:Main (power supply & Control ...