Sealey: Micrometer Torque Wrench 3/8" Square Drive Calibrated Heat treated steel ratchet head. Fully hardened and tempered. Chrome plated for corrosion resistance. Calibration tolerance in accordance with BS EN ISO 6789:2003. Every wrench is tested and supplied with an individually numbered test certificate. Micrometer type torque range adjustment with scale graduated in both Nm and lb.ft. Flip reverse ratchet mechanism. Supplied in storage case. MPN: AK623 EAN: 5024209231466 Micrometer Torque Wrench 3/8" Square Drive Calibrated Attributes: MFR Part No.: AK623