Omni metalcraft variable speed upgrade for 1/2 horsepower belt conveyor add the ability to have variable speed (12 – 60 fpm) on power belt conveyors. Totally enclosed 1/2 hp, 115/230v, 60 hz single phase motor. Includes 8 ft. Power cord and on/off switch for 115v use. Quality features include crowned and fully lagged 4″ drive pulleys with 1-3/16″ dia. Shafts.