General description Sealey Premier Calibrated Micrometer Torque Wrench features a 3/4" square drive with a torque range of 100-600Nm (73.8-442.8 lb.ft). It is designed for daily professional use and is equipped with a flip reverse Chrome Vanadium steel ratchet head that ensures a smooth action mechanism. Each wrench is individually tested for accuracy and comes with a numbered test certificate. Technical specifications Torque range: 100-600Nm (73.8-442.8 lb.ft) Calibration tolerance: ±4% Model No.: STW906 Material: Chrome Vanadium steel Handle: Aluminium knurled for comfort and control Other information