This nail polisher is suitable for manicure and pedicure. 0-30000RPM adjustable speed, you can choose the speed you want for different usage. Low Noise, Low Heat, and Low Vibration, which could make you comfortable at high speed when you use in the salon or home. 6 different metal bits and 6 sanding bands. locking chunk system can change bits easily without tools. Perfect for grinding, carving, cutting, polishing, removing gel polish and cuticles for both acrylic nails and natural nails. Easy Operation: can be operated by hand or foot pedal. the FWD / REV switch can control the turn of drill bits in clockwise or anticlockwise. open the Hand switch, it will rotate itself, just turn on/off the switch. open the Foot switch, connect with the pedal, you need to step the foot pedal, and then it will start working.