Feature：

1.Compact sized control box.

2.Very High-powered and quality 0-35,000rpm.

3.Non stage speed system (it is well designed to output from zero to 35,000rpm by using non stage speed system).

4.Right & Left turning ability.

5.Foot ON/OFF switch system (Variable Control system foot pedal).

6.New speed control system.

7.Two kinds of speed control way.