When a straight tool isn't practical for working in confined areas, this is the economical die grinder with a right angle head to use. It's compact and well designed for grinding, porting, polishing, de-burring, and breaking sharp edges.  Durable and long-lasting, with an all ball bearing construction and precision-machined steel gears. Features a positive grip 1/4" capacity collet chuck. Its self-locking throttle lever prevents accidental starting of motor.