Norbar 3AR-N Industrial Torque Wrench 3/4in Drive 120-600Nm (100-450 lbf·­ft)The Norbar Industrial Torque Wrench is a long time customer favourite re engineered to be more compactable, robust and easy to use. Ideal for heavy duty applications. It has an easy to read scale that is shielded from dust, dirt and spray. Its unique profiled cam and reaction plate give a much clearer 'torque break point' reducing the possibility of over torqueing. The robust construction gives accurate results to 4% even in arduous working