PB 8316 M MecaTorque, with infinite mechanical adjustment on the handle's end can be set without accessory tool; display with analogue scale, can be re-calibrated 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. With magnetic female hex drive for bits 1/4" C6.3 and E6.3. Delivered with re-calibration tool, factory test certificate; accuracy ± 6% in accordance with EN ISO 6789.