Neilsen 3/8in.Dr Torque Wrench / 20 - 120Nm With Reversible 72 tooth Ratchet Mechanism. Laser etched scale with fine adjustment for the respective setting value. Ribbed Handle with Locking Ring for secure grip and easy torque setting Applies specific torque to right-hand threaded screw connections. Clear audible release signal. Accuracy to plus or minus 3 percent.