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Universal wrench, also known asUniversal wrench, Quick-change dual-use wrench, Plumber's wrench, Multi-functional torque wrench.Its main feature is one-turn multi-use. It is equipped with an automatic speed selection and positioning device in the center of the wrench, which is convenient to use, efficient, solid and reliable, and is light in weight for easy portability, changing the concept of traditional set of dead and live wrenches.

The universal mover consists of the moving body, the moving core, springs, pull plates, locking blocks, and eccentric handles. Its features include: the moving body has a ring body with an internal 60° angle at both ends, a long groove is set in the middle of the moving body, and the moving core with a 60° angle at both ends can slide in the groove. The moving core also has a long groove for springs, and the side with the processing teeth is on the side of the spring. On the side of the teeth, the moving body has a locking tooth block that can engage with it, and an eccentric handle is connected to the locking tooth block in the middle of the moving body.