Flip reverse Chrome Vanadium steel ratchet head with smooth action mechanism. Scale graduated in Nm and lb.ft. Calibration tolerance in accordance with BS EN ISO 6789-1:2017. Wrenches are individually tested to standards with ±4% accuracy and each wrench is issued with an individually numbered test certificate. Aluminium knurled handle for comfort and control. Supplied in storage case. Features & Benefits:Range: 100-600Nm(73.8-442.8lb.ft).Flip reverse Chrome Vanadium steel ratchet head with smooth action mechanism.Scale graduated in Nm and lb.ft.Calibration tolerance in accordance with BS EN ISO 6789-1:2017.Wrenches are individually tested to standards with ±4% accuracy and each wrench is issued with an individually numbered test certificate.Aluminium knurled handle for comfort and control.Supplied in storage case.Lifetime guarantee*.Model No. STW906 Specifications: Model No STW906 Brand: Premier Drive: 3/4"Sq Drive Length: 1050mm Nett Weight: 7.59kg Range: