Range: 5-25Nm. Flip reverse Chrome Vanadium steel ratchet head with smooth action mechanism. Scales graduated in both 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 EVA tray.