1/2" digital torque and angle indicator for the range 17-340 Nm. Torque accuracy clockwise: ± 3% and counterclockwise: ± 4%. 5 selectable units (Nm. ft-lb. in-lb. kg-cm. degree). An acoustic signal and an LED display indicate when the set angle or torque is reached. A calibration declaration of conformity according to DIN EN ISO 6789:2017(E) is included - complies with national standards. Diameter 85 mm.