The Sealey 3/4″ Drive Micrometer Torque Wrench is a professional-grade precision tool designed for heavy-duty applications requiring accurate torque control. Built with a Chrome Vanadium steel ratchet head and smooth action mechanism, this torque wrench delivers reliable performance across demanding automotive, commercial vehicle, and industrial maintenance tasks. Calibrated to BS EN ISO 6789-1:2017 standards, this torque wrench offers a working range of 70-420Nm (52-310lb.ft), making it ideal for larger fasteners on plant machinery, HGV wheel changes, and heavy equipment maintenance. The dual-scale graduation in both Nm and lb.in/lb.ft provides flexibility for different specifications and working practices. Each wrench undergoes individual testing to achieve ±4% accuracy and comes with its own numbered test certificate, providing traceability and assurance for professional applications. The 650mm length delivers the leverage needed for heavy-duty work, while the supplied storage case protects the tool and maintains calibration between uses. Backed by a lifetime guarantee, this is a precision instrument built for long-term professional use. Features and Benefits: • Chrome Vanadium steel construction for durability in demanding environments • Dual-scale graduation allows working with metric and imperial specifications • Individually tested and certified for quality assurance and traceability • Smooth ratchet action for efficient operation • Supplied in protective storage case to maintain calibration Specifications: Brand: Premier Drive: 3/4″Sq Length: 650mm Nett Weight: 3.88kg Range: 70-420Nm(52-310lb.ft)