Torque Wrench Reversible for tightening of lefthanded threads. Transparent insulated scale range 5 - 50 Nm. Lockable torque adjustment. Adjustable in steps of 0.25 Nm. Easy and secure locking of attached sockets due to screw lock. Calibration certificate included. self-service card/blister. - Square drive: 1/2in- Range of Application: 5 - 50 Nm