The aluminum alloy hand holds a gourd 0.75 tons of tight wires, which can be trapped horizontally, or it can be drooped up and down. Tighten the wire: During the construction of the transmission line, you can tighten the position of the pull wire, adjust the equipment or equipment, and the work of replacing the insulator. Hang the heavy object with a lifting, and the handle can be operated. There are three gears that can be crane, rising, falling, and air gear. You can adjust according to the direction of the need. Simple operation, strong and durable. There are many specifications, and the chain length support customization.