Torque Wrench Reversible for tightening of lefthanded threads. Lockable torque adjustment. Adjustable in steps of 0.25 Nm. Easy and secure locking of attached sockets due to screw lock. Calibration certificate included. transparent insulated scale range 5 - 50 Nm. self-service card/blister. - Square drive: 3/8in- Range of Application: 5 - 50 Nm