Manual model employs easy-to-use ratchet drive to accomplish the same cutting principle as electric model. Designed for use in remote areas where no power source is available. Utilizes roundcutting blade to slice inside of drum chime and serrated drive roller positive traction, leaving a smooth and safe burr-free edge on the drum. Use this compact lightweight steel drum deheader for non-USDA, inside chime cut. Ideal for operations with smaller volume of drums.