Abstract: A multi-tool adjustable wrench which provides for the adaption of an adjustable wrench so that it may be used as a hammer and a wrench, without the hammer surface interfering with the wrench's utility and without exposing the adjustment mechanism to severe damage. The hammer surface is located on the wrench head rearward of the adjusting mechanism. In addition, the wrench handle is adapted to function as a screwdriver, measuring ruler, wire stripper, and T-handle. The handle and base of the wrench head form a square face. Inch and metric measuring scales are provided on the wrench jaws with auxiliary Vernier scales for accurate measurement.