Mark V Lab MECAPOL 3B Reconditioned Bench Top Dual Wheel Grinder/Polisher features: Two Speed (150-300 rpm) operation with standard 1/2Hp. Motor and Rugged Steel construction. The 3B2 utilizes 2 ea. 8" PVC Wheels and comes with Splash Guards & Paper Holding Band. Full 1 year factory warranty.110V 60 Hz.