Feature:

1) Made of alloy material, good quality.

2) Available in grinding machine (dental drill) and other equipment

3) It can be used in hardware, hobby, home etc.

4) Drill chuck quick change adapter, portable to use.

Please note: Adjust the speed of the first governor to the lowest or zero turn, and then turn on the power to adjust speed, but speed is not too high. Best not to over 10,000 rpm, otherwise it will cause the rear axle bent.