Adjustable torque wrench with square drive and integrated ratchet function, Controlled screw tightening from 110 to 550 Nm, Repetition-accurate and precision-like, Audible Torque triggering can clearly be heard and felt, Clockwise and anti-clockwise tightening from switching over the mushroom head/push-through square, Features: Adjustable torque wrench with square drive and integrated ratchet function, Square drive with ratchet mechanism, Torque is set by turning the handle, The set value is fixed through the lock at the end of the handle, Easy-to-read scale with magnifying glass for Nm, plus 1/10 scale for precision setting, Tripping accuracy: +/-3 % tolerance of the set scale value, Scope of delivery: Torque wrench with test certificate acc. to DIN EN ISO 6789, Operating instructions