1. This nail polish machine adopts a 30W high-power 30,000-speed scientific electric powerful motor to provide a steady stream of power. Continuous and stable speed, low loss and noise reduction, long service life. 2. The grinder is equipped with a variety of grinding heads, which can be used for different purposes such as manicure, nail removal, thick nails, calluses, etc., to make your nails and hand skin healthy and beautiful. 3. This nail polish machine is easy to use and has high safety. The speed can be adjusted. The speed is slower when it is rotated counterclockwise, and the speed is faster when it is rotated clockwise, you can adjust it according to your actual needs. 4. The grinding machine adopts a rotating locking handle, which can freely replace the grinding head, which is easy to operate and can be matched with different grinding heads to easily deal with various problems. 5. The grinding machine is designed with a convenient and quick control method. The speed can be adjusted manually, and the speed can be controlled by pedals, so that you can choose to use it according to your needs. 6. This type of grinder is equipped with slots for grinding pens, and there are slots on the left and right sides, where the grinding pens can be placed at will, which is convenient and quick. The 6 grinding heads have a diameter of 2.35mm, which are suitable for various problems such as manicure, exfoliation, callus removal, manicure, etc., presenting healthy and beautiful skin for your fingertips and hands.