This hand -tier gourd is an aluminum -shell hand pulling gourd. It is suitable for tight lines in the line construction, adjusting the arc, pulling lines and other work. The equipment installation and small items of small items in power, shipbuilding, transportation, construction, mining, post and telecommunications, communications, etc. Wild, high -altitude operations, and traction from different angles have many advantages, and they can easily choose the appropriate operating location. Its advantage is that it is light and light, and the operation is simple.