The aluminum -handed gourd is mainly applied to electricity. Workers need to be carried by manually bringing them to high altitude for power maintenance. Because it is necessary to carry artificially, the lighter the weight can reduce the work pressure of workers. The diameter of the chain is the influence of the self -weight of aluminum alloy hands. Because the smaller the diameter of the chain in the same load, the lighter the weight. Therefore, the aluminum alloy hand pulls the gourd will use a good -intensity lifting chain. The specifications of aluminum alloy hands are 0.75 tons, 1.5 tons, 3 tons, 6 tons and other specifications. Its standard chain is 1.5 meters, 3 meters, 6 meters. You can choose according to the actual usage.