Click-Torque Lock A 5 Torque wrench, adjustable, Torque Lock function, reversible ratchet, clockwise torque operation, 2.5-25 NmApplication: For clockwise 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 " square head drive, reversible ratchet, 45 teeth; easy setting and saving of the desired torque value, with audible and tactile locking when the scale values are reached (fine scale only in Newton meters),