*Micro motor technology allows you to control the motor by hand and is easy to tighten.
* Cranial drill ball drill bit with a variety of drill bit sizes.
*High rotational speed (up to 38,000 per minute) is designed for positioner surgery, especially in soft-headed animals such as birth mice and mice.
* Power is controlled using a manual or footswitch, and the speed can be adjusted from low speed to full speed with a knob or pedal.