1.Forward and reverse operation switch
2. Hand-operation/ Foot Pedal to control the ON/OFF.
3. High rotantional speed up to 20,000~25,000RMP.
4.Strong power, quite operation,
6.Over-voltage, over-electric current and the overloading operations protection
Full One year manufacturing warranty .
1. Package: 12piece/carton.
2. Carton measure: 50.5*43*30.5cm