pplicable to grab loose accumulation. On the crane, there are two sets of motor drum (namely electric hoist), each set of drum leads out a wire rope, one of which is used for support at both ends of the grab balance frame, the other wire rope passes through the pulley of the upper beam and the pulley of the lower beam, forming a pulley block, opening and closing the bucket part. Custom instructions 1. Due to a wide variety of lifting equipment and accessories, the prices quoted on this website are for reference, please contact with the merchant for details. 2. Since the lifting equipment is a customized product, please provide the tonnage and lifting height for inquiry and order. 3. If you have any other requirements, please note or contact the merchant.