The Sealey STW907 Torque Wrench with an aluminium knurled handle for comfort and control The Sealey STW907 is a flip reverse Chrome Vanadium steel ratchet head with a smooth action mechanism. The wrenches calibration tolerance is in accordance with BS EN ISO 6789-1:2017. STW907 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 EVA Tray. Features:    Scale graduated in Nm Supplied in storage case Aluminium knurled handle for comfort and control Calibration tolerance in accordance with BS EN ISO 6789-1:2017 Flip reverse Chrome Vanadium steel ratchet head with smooth action mechanism One of a comprehensive range of Premier Hand Tools, suitable for daily professional use Wrenches are individually tested to standards with ±4% accuracy and each wrench is issued with an individually numbered test certificate Specification: Model No: STW907 Range: 160-800Nm