The Cornwell Tools 5-in-1 Preset Torque Wrench with Lock, No. CTG5PTWCW, is designed to torque in one direction and locks to break fasteners loose in the other direction. It has five preset torque values: 80, 100, 120, 140, and 160 ft-lbs. To adjust wheel torque, simply pull cover on the handle to unlock the handle, then turn to desired torque, and push the cover back in to lock. Users can also pull back the drive end for loosening nuts or bolts without damage to the head. It has an accuracy of +/- 4 percent and has a 1/2" drive. The torque wrench is ideal for tire shops.