The 1/3 3600 RPM 6in. Buffing Motor is an industrial grade motor with a 3 year warranty. Chosen with the home hobbyist in mind, these Baldor Motors are made for professional shops, so they are designed for years of rugged use where dependability is a must. Built for buffing, these motors bear features not found in benchtop grinders. The shafts are especially long, making it easy to move pieces around the wheels. Housings are cast aluminum and the motor is completely sealed and permanently lubricated. One piece solid steel shafoot