There are many load specifications of aluminum alloy handle, 0.75 tons to 6 tons. Its advantage is that it is light and easy to carry. The weight of the load is large, and the weight will increase. So choose suitable specifications. 0.75 tons of aluminum alloy hand tie the gourd chain tights, and the electric power plant maintenance is a manual gourd tightner. It is suitable for places where frequent outdoor operations need to be trapped horizontally. After using, the soil dust on the surface of the gourd is cleaned, because it may become stubborn after a long time, and it is not easy to clean up. The dust of the soil will also deeply hold the inside of the gourd, and the soil inside the gourd will cause the internal parts to wear and accelerate the scrap of the internal parts, which will make the useful life of the hand pull short.