Use controlled screw tightening in the range 8 40 nm for use in all areas of industrial manufacturing features torque wrench with 38 single square drive for controlled clockwise tightening type a no 8560 or double square drive for bi directional tightening type al no 8565 38 square drive with ball locking device din 3120 a 10 iso 1174 acc to din en iso 6789 traceable to national standards automatic short path actuation with tactile impulse and audible signal wor