DUST COLLECTOR JEWELRY POLISHING BUFFING WITH 1/2 HP DOUBLE SPINDLE MOTOR UNIT 1/2 HP motor: 3450 RPMs, 6.6 amps Outside Dimensions: 23" W x 191/4" Dp x 121/2" H 1/2" straight shaft: with tapered spindles Electrical Requirements: 110V AC Shipping Weight: 56 lbs