The tightener of the aluminum alloy hand holds the gourd is 0.75 tons. The aluminum -handed hand pulling the gourd can be used to use it to replace the accessories when replacing the accessories. It can also increase the rising or decrease of the weight of the machine. Uses: It is suitable for tight lines in the line construction, adjusting arcs, pulling lines and other work. Installation of equipment in power, shipbuilding, transportation, construction, communication and other departments, the lifting of small items, and the traction of the parts. Directions from a narrow workplace, wild, high -altitude operations and various angles.