The TowSmart Hitch Ball Wrench is an essential tool for installing or removing hitch balls from a receiver hitch. The long handle design is easy to use and provides plenty of leverage for torqueing. 12-point hex fits 1 ⅛ inch and 1 ½ inch hitch ball nuts. The hitch ball wrench is built of a solid steel construction with a chrome finish. The wrench can be use by itself when tightening a hitch ball that is mounted to and X-Mount ball mount. The X-Mount lockrail functions as a built-in wrench preventing hitch ball rotation during installation or removal.Specs: Fits 1 1/8" and 1 1/2" hitch nuts