This teng tools torque wrench is manufactured according to din 3122 standards with a ratchet head the torque wrench can be used for both tightening and final checking of the torque the wrench is equipped with an angular gauge for after tightening it is graduated in both nm and ftlb and has a degree scale for after tightening of cylinder heads the ratchet head has a satin finish and for comfort and excellent grip the wrench has a rubber handle accuracy 4drive 12 inch square drive