Expert quality, functions both clockwise & anti-clockwise. electronic display shows nm; ft-lb; in-lb & kg-cm with visual torque applied lights, together with overtorque buzzer. Nine pre-selectable torque levels for speed of operation. soft grip handle for user comfort. range 40-200nm, accuracy ±4%. overall length 525mm. Full instruction manual & calibration certificate included with each torque wrench. uses 2 x aa batteries (supplied).