... machine for manicure/pedicure Features: 1,Easy to use dialing speed control,2,Forward and reverse operation swith,3,Up to 18000RPM ... of the Nail art polishing drill machine .4,Switch the speed control of the Nail art polishing drill machine to the left ... drill machine .2,Turn the Nail art polishing drill machine SPEED CONTROL counterclockwise to decelerate the grinding head to the minimum before ...