Click-Torque Lock A 5 R/L Torque wrench, adjustable, Torque Lock function, square head insert (1/4"), clockwise/counterclockwise torque operation, 2.5-25 NmApplication: For clockwise and counterclockwise torque operation. The torque function can be deactivated (Torque Lock function), so that the tool can also be used for loosening. Precision: Accuracy 4 % of the set value, as per DIN EN ISO 6789 1: 2017 07 Design: With 1 4" square head drive with socket locking, square head insert to change the tightening direction, 45 teeth; easy setting and saving of the desired torque value, with audible and tactile