Adjustable wrench XT0040 is suitable for installation, plumbing and car repair and will become a permanent working tool of any wizard due to a number of benefits: Coverage of this key from 0 to 34 mm, which is 55% more than conventional keys such as narrow head length of the key will allow to work in limited space key engaging depth is increased by 30% due to the length of the jaws Convenient rubberized handle will sit comfortably in the hand under any conditions of operation keys are made of chrome-vanadium steel, making strong and resistant to wear