PB 8316A MecaTorque, with infinite mechanical adjustment on the handle's end can be set without accessory tool; for interchangeable blades PB 53; display with analogue scale, can be recalibrated with the code supplied. When the torque set is reached, the torque handle triggers an audible signal. The unscrewing torque is +100% of the set value, screws that have already been tightened can be unscrewed again without difficulty. Delivered with recalibration tool, factory test certificate; accuracy ± 6% in accordance with EN ISO 6789, interchangeable blades not included.