STW905 1 2" Drive Calibrated Micrometer Torque Wrench

The Sealey STW905 is a precision 1/2" drive calibrated micrometer torque wrench designed for professional mechanics and engineers requiring accurate torque application. With a working range of 60-330Nm (44.3-243.5lb.ft), this torque wrench is ideal for automotive work, heavy machinery maintenance, and any application where precise torque settings are critical to component integrity and safety. Built to exacting standards, this calibrated torque wrench features a flip reverse Chrome Vanadium steel ratchet head with a smooth action mechanism for reliable operation. The dual-scale display is graduated in both Nm and lb.ft, providing flexibility for working with different specifications. Calibration tolerance meets BS EN ISO 6789-1:2017 requirements, with each wrench individually tested to ±4% accuracy standards and supplied with an individually numbered test certificate for full traceability. The aluminium knurled handle delivers excellent grip and control during use, reducing operator fatigue during extended work sessions. At 575mm in length, the wrench provides sufficient leverage for the torque range whilst remaining manageable in workshop environments. The tool is supplied in a protective EVA tray for organised storage and transport, and is backed by a lifetime guarantee for peace of mind.

Features and Benefits:

• Flip reverse ratchet head for convenient directional changes
• Dual-scale graduated display in Nm and lb.ft for versatile application
• BS EN ISO 6789-1:2017 calibration with ±4% accuracy and numbered certificate
• Knurled aluminium handle for secure grip and user comfort
• Chrome Vanadium steel construction for durability and longevity
• Supplied in EVA tray for protected storage

Specifications: Brand: Premier Drive: 1/2"Sq Drive Length: 575mm Nett Weight: 1.38kg Range: 60-330Nm (44.3-243.5lb.ft)