The Sealey STW400 is a professional micrometer-style torque wrench designed for accurate tightening applications across automotive, engineering and general mechanical tasks. Featuring a 1/2" square drive and 40-210Nm torque range, this precision tool meets the exacting standards required by professional mechanics and technicians. Built to deliver reliable performance, the STW400 incorporates a flip-reverse Chrome Vanadium steel ratchet head with a smooth action mechanism for efficient operation. The scale is clearly graduated in both Nm and lb.ft for versatile application across different specifications, whilst the knurled aluminium handle provides comfortable control during extended use. Quality assurance is paramount with this torque wrench. Each unit is individually tested to ±4% accuracy in accordance with BS EN ISO 6789-1:2017 calibration standards, and supplied with a numbered test certificate for full traceability. This makes it ideal for professional workshops where documented calibration is essential, as well as demanding automotive repair work requiring precise torque settings. The tool comes complete in a protective storage case and is backed by a lifetime guarantee. Features and Benefits: • Micrometer-style adjustment for precise torque control • Flip-reverse ratchet head for convenient directional changes • Dual-scale graduation (Nm and lb.ft) for versatile applications • Chrome Vanadium steel construction for long-term durability • Individual test certificate with ±4% accuracy assurance • Knurled aluminium handle for enhanced grip and comfort • Supplied in protective storage case Specifications: Brand: Premier Drive: 1/2"Sq Length: 430mm Nett Weight: 1.008kg Range: 40-210Nm (29.5-155lb.ft)
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