The Pro Power 20K is a high quality manicure and pedicure file. Its cordless, rechargeable design allows for convenient portability making it a versatile filing system for any work station. This compact unit clips conveniently to your belt allowing freedom of movement 30,000 RPM Rechargeable Up to 10-hour battery life Variable speed control Forward and Reverse operation Lightweight hand piece Locking chuck Easy bit change using no tools Uses standard 3/32" bits High torque Quiet operation No vibration Full one year warranty Optional two year warranty