The Sealey STW907 is a professional-grade 3/4″ square drive calibrated micrometer torque wrench designed for heavy-duty applications requiring precise torque control. Built to exacting standards with BS EN ISO 6789-1:2017 calibration tolerance, this precision instrument delivers ±4% accuracy across its impressive 160-800Nm (118.1-590.4lb.ft) range, making it ideal for automotive workshops, plant maintenance, and heavy machinery assembly. The torque wrench features a flip reverse Chrome Vanadium steel ratchet head with a smooth action mechanism that ensures reliable operation even under demanding conditions. The dual-scale graduation displays readings in both Nm and lb.ft for versatility across different working environments. Each wrench undergoes individual testing to stringent standards and comes with its own numbered test certificate, providing documented traceability and quality assurance. At 1210mm in length, this substantial tool provides the leverage needed for higher torque applications whilst maintaining operator control through its aluminium knurled handle design. The knurled surface delivers enhanced grip and comfort during extended use, reducing hand fatigue on longer jobs. The wrench is supplied in a protective storage case to maintain calibration accuracy between uses and comes backed by a lifetime guarantee. Features and Benefits: • Chrome Vanadium steel ratchet head with flip reverse mechanism for efficient operation • Dual-scale graduation in Nm and lb.ft for versatile working • Individually tested with numbered certificate providing documented accuracy • Aluminium knurled handle for superior grip and comfortable control • Supplied in protective storage case to preserve calibration • Lifetime guarantee for long-term peace of mind Specifications: Brand: Premier Drive: 3/4″ Sq Drive Length: 1210mm Nett Weight: 8.56kg Range: 160-800Nm (118.1-590.4lb.ft)