Use controlled screw tightening in the range 520 1000 nm for use in all areas of industrial manufacturing features adjustable torque wrench with 34 single square drive for controlled clockwise tightening type dx no 8571 or double square drive for bi directional tightening type dxl no 8576 34 square drive with pin locking mechanism din 3120 b 20 iso 1174 acc to din en iso 6789 traceable to national standards automatic short path actuation with tactile impulse and