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 an EVA tray. Features & Benefits:Range: 60-330Nm(44.3-243.5lb.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 an EVA tray.Lifetime guarantee*.Model No. STW905 Specifications: Model No STW905 Brand: Premier Drive: 1/2"Sq Drive Length: 575mm Nett Weight: 1.38kg Range: 60-