Version G quick adjustment: - Time-saving: the moving jaw is easily and quickly adjusted on the nut thanks to the adjustment wheel. 3 steps: - pull the adjustment wheel: the moving jaw is immediately released. - move the moving jaw by hand to adjust it to the desired size. - if necessary, use the adjusting wheel in the traditional way for a very precise adjustment. 2 to 3 times faster than a standard Adjustable Wrench. Version GR with reversible jaw: - Extremely versatile: the moving jaw is reversible. On one side, the jaw is flat, for traditional use that does not damage the objects being worked on. On the other side, the jaw has fine teeth for powerful clamping of pipes and other objects that need to be held firmly and require a high tightening torque. Jaw with fine profile for better accessibility. Extra-wide opening for even greater usability. Grade distribution in mm on one side. Finish: bright chrome-plated body. Bimaterial handle.