The aluminum alloy hand pulls the gourd operation is simple and portable. The aluminum alloy hand pull the gourd adopts a mechanical structure. It has used the rotating handle to drive the gear to achieve a tightening effect. So it is also called a threader. The cover is made of aluminum alloy with high hardness. Still lightly. Reduce the pressure of carried.

Hand -pull gourd is a straight line traction that matches the load by manually pulling the handle by manually to obtain the leveraged principle. It rotates a plug body that is loaded in the movement to drive the load operation. Hand -panel gourd it has a compact structure, light weight, small shape size, easy to carry, long -term use, long life, and small hands. It can perform operations such as promotion, traction, decline, and calibration.