There are two types of electric hand -pulling gourds. One is the gourd of our common alloy steel hand, and the other is aluminum alloy hand to pull the gourd. The characteristics of alloy steel hand -tip of gourd are many specifications and relatively low prices. The advantage of aluminum alloy hand to pull gourds is that it is light, but the price is relatively high. To select the suitable hand to pull the gourd according to the environment, if you need to carry manpower in the mountains or repair high -high and high -voltage electricity, then choose the aluminum alloy hand to pull the gourd. Light -weight tools can reduce workers' carrying and carrying.