PB 8317M MecaTorque, with infinite mechanical adjustment on the handle's end can be set without accessory tool; with magnetic socket for inserting bits; 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. With magnetic female hex drive for bits 1/4" C6.3 and E6.3. Delivered with recalibration tool, factory test certificate; accuracy ± 6% in accordance with EN ISO 6789.