Universal wrench main feature is a multi-pull. In the center is equipped with automatic speed selection wrench positioning device, easy to use, efficient, solid and reliable, light in body carried to change the traditional concept of wrench sets life and death. 
 Structure: the pull handle and clamp head of two major, but it is by the pull handle clamp pull teeth and hinged side of the handle on the pull, pull teeth and matching activities posed pull hook structure. 
 Features: This wrench versatility, a tool to complete the work of several pieces of common tools to make tools to reduce the variety; apply to jobs and more range. Use good, high efficiency, multi-function, safe and reliable