Mini Angle Die Grinder. This compact angle die grinder has a 90 degree head that allows flexibility in tight quarters. The rear exhaust directs the air away from the work. Ribbed handle design for a positive grip. Lock off throttle to prevent accidental start up. 1/4" collet accepts all 1/4" shank grinding burrs and stones. (Be sure your burrs, stones, etc. are rated above 21,000 rpm). Maximum free speed: 21,000 rpm. Average air consumption: 4 cfm @ 90 psi. Length: 4 7/8". Weight: 1 lb. 1 year limited warranty.