Abstract: A parallel jaw action toggle wrench comprising a first jaw rigidly fixed to a first handle by means of a track section, a second jaw opposite the first jaw and slidable on the track section, and pivotally connected to a second handle, a toggle link connected to the second handle rearwardly of the first jaw, a connector pivotally attached to the rearward end of the toggle link and moveable along the first handle and a threaded assembly mounted on the first handle and having an adjustment portion, the threaded assembly being so operatively correlated with respect to the connector that operation of said adjustment portion will cause the connector to move lengthwise of the first handle.