STW901 1 4" Drive Calibrated Micrometer Torque Wrench

The Sealey STW901 is a precision 1/4" drive calibrated micrometer torque wrench designed for professional mechanics and engineers requiring accurate torque measurement. Featuring a flip reverse Chrome Vanadium steel ratchet head with smooth action mechanism, this torque wrench delivers reliable performance across a range of 5-25Nm (3.7-18.5lb.ft). Built to exacting standards, the wrench meets calibration tolerances in accordance with BS EN ISO 6789-1:2017, ensuring consistent accuracy for critical fastening applications. Each unit is individually tested to ±4% accuracy and supplied with a numbered test certificate, providing full traceability and quality assurance for professional use. The aluminium knurled handle offers excellent grip and control during operation, whilst the dual-scale graduation in both Nm and lb.ft provides versatility for different torque specifications. Supplied in a protective EVA tray for secure storage and transport, this 245mm torque wrench is ideal for automotive work, precision assembly tasks, and applications where accurate torque values are essential. Features and Benefits: • BS EN ISO 6789-1:2017 compliant calibration for professional accuracy • Individually tested with numbered certificate for quality assurance • Flip reverse ratchet head for left and right-hand fastening • Dual-scale graduation in Nm and lb.ft for versatility • Aluminium knurled handle for secure grip and comfortable operation • Supplied in EVA tray for protected storage Specifications: Brand: Premier Drive: 1/4"Sq Drive Length: 245mm Nett Weight: 0.35kg Range: 5-25Nm(3.7-18.5lb.ft)