Range: 10-110 Nm (10-80lb.ft). Chrome Vanadium steel ratchet heads with flip reverse action & push-through drive to allow torquing in both directions. Large composite handle grips with unique mechanism which locks adjustment in place once torque figure is selected. Calibration tolerance in accordance with BS EN ISO 6789:2003. Scales graduated in both Nm & lb.ft. Wrenches are individually tested for ±4% accuracy & each wrench is issued with an individually numbered test certificate. Supplied in storage case. Model No. STW200