• Range: 70-420Nm(52-310lb.ft).
• Chrome Vanadium steel ratchet head with smooth action mechanism.
• Calibration tolerance in accordance with BS EN ISO 6789:2003.
• Scales graduated in both Nm and lb.in/lb.ft.
• Wrenches are individually tested to standards with ±4% accuracy and each wrench is issued with an individually numbered test certificate.
• Supplied in storage case.
• Lifetime guarantee*.
• Model No. STW103