General description Sealey Premier Calibrated Micrometer Torque Wrench features a flip reverse Chrome Vanadium steel ratchet head with a smooth action mechanism. It is designed for precision with a scale graduated in Nm and lb.ft, making it suitable for daily professional use. Each wrench is individually tested to standards with ±4% accuracy and comes with an individually numbered test certificate. Technical specifications Model No.: STW905 Range: 60-330Nm (44.3-243.5 lb.ft) Calibration tolerance: ±4% Other information Aluminium knurled handle for comfort and control Supplied in an EVA tray Lifetime guarantee*