Adjustable Wrench

An adjustable wrench has a handle assembly and a gripping assembly. The handle assembly includes a rotating handle, a pivot shaft, and a holding handle. The pivot shaft is securely mounted in the rotating handle, and has a right-handed screw thread and a left-handed screw thread. The holding handle is mounted around the pivot shaft. The gripping assembly includes a base, a lower jaw, an upper jaw, and a guiding module. The lower jaw engages with the left-handed screw thread of the pivot shaft. The upper jaw engages with the right-handed screw thread of the pivot shaft. The guiding module is slidably mounted through the base and the lower jaw and is securely connected to the upper jaw. By turning the rotating handle as well as the pivot shaft, the upper jaw and the lower jaw can be quickly moved to a closed state or an open state.