An idea filling tool set for nail decoration - It is a professional and convenient custom product with dual-direction nail technicians safety isolation movement grinding bits and a flexible handpiece. - The method of using rapid mechanical clamping gripping more reliable you can adjust the speed freely by sliding the knob on the nail polisher with a manual transmission. - Features0 - 20000RPM for maximum strength and speed use for both pedicure and manicureForwardReverse rotation - Stable performance with manual switch that can be controlled to startstop rotating - Portable size and smooth vibration for comfortable grip and easier operation - Ventilation for reducing the nail polisher heat - Comes with a stand for holding the handpiece - Multi-use carving engraving routing grinding sanding polishing - How to Use - Plug the handpiece into the DC OUT socket at the nail polisher - Select the proper drill bit according to actual requirements and fasten it to the handpiece - Press the switch "l" on the nail polisher and the h