STANDARD TYPE BI-DIRECTIONAL. Torque wrench according to DIN 3122. Bi-directional torque wrench for left/right hand threads with push through square drive and flip reverse ratchet action for torque checking. Equipped with angular gauge for after tightening. Graduated in Nm and lbs foot. Lockable setting. Accuracy ±4%. Satin finish. Rubber handle. Degree scale for after tightening of cylinder heads.