Manufactured from hardened & tempered Chrome Vanadium steel with a polished satin finish. Smooth action ratchet head with flip reverse. Easy to use torque adjustment, locks when required setting is selected. Calibration tolerance in accordance with BS EN ISO 6789:2003. Scales graduated in both Nm & lb.ft. Wrenches are individually tested to standards with ±4% accuracy & each wrench is issued with an individually numbered test certificate. Supplied in storage case. Model No. STW702