Initiated technology of micro-controlled rotation speed, clockwise rotation and anti-clockwise rotation, smooth and free for controlling the grinding wheel.

Input voltage ranging from AC 100V-240V,50-60HZ,can be used in any countries.

LED digital display of the grade of rotation speed (from grade 1to grade 8),giving a direct view for users.

Maximum rotation speed 20,000 RPM.

With micro-controlled button, the operation is easy and comfortable with good sense of touching.

The inner motor is equipped with ejection function that can effectively protect the motor and prolong the life of it

Small, light, portable and can be controlled with hand or foot switch.