The 6mm lifting chain is often used as a load chain for hand -stitched gourds. The material uses 20mn2 alloy structure steel. Its volume is small and has a large bearing capacity. It is light and easy to use to make a hand -pulling gourd and easy to use. The standard load -bearing capacity of the 6mm lifting chain is 1 ton. Therefore, the handle of the gourd is a 6mm chain. The 2 -ton hand -pulling gourd will use a 6mm dual chain. The scope of applications of hand pour gourds is wide. By dragging the zipper to enhance the heavy objects.