An economical choice offering longer-life and higher free speed at 25,000 rpm. A general purpose tool designed for porting, light weld grinding, and breaking sharp edges.  A durable yet economical air die grinder with an all ball bearing construction for longer tool life. Comes complete with two collet wrenches. The self-locking throttle lever prevents accidental starting of the motor. Positive grip 1/4" capacity collet chuck.