The Sealey Premier Black STW909SETB is a professional 4-piece torque wrench and torque screwdriver set covering a wide torque range across multiple drive sizes, ideal for automotive, engineering, and mechanical assembly work. The set includes a 1/4" Sq Drive (5–25Nm), 3/8" Sq Drive (20–120Nm), 1/2" Sq Drive (60–330Nm), and a torque screwdriver with 1/4" Hex quick release bit holder (1–6Nm). This comprehensive torque range makes the set suitable for precision-critical fastening tasks, from delicate electronic or trim fixings through to heavy-duty wheel nut and drivetrain applications. Each wrench features a flip-reverse, quick-release Chrome Vanadium steel ratchet head with a smooth action mechanism. Scales are graduated in both Nm and lb.ft, and calibration is in accordance with BS EN ISO 6789-1:2017. The wrenches are individually tested to ±4% accuracy and issued with a numbered test certificate, while the torque screwdriver is tested to ±6% accuracy with its own certificate included. Aluminium knurled handles provide a secure, comfortable grip during use. The entire set is stored in a fitted EVA foam tray for organised storage and protection, and is backed by Sealey's lifetime guarantee. Features and Benefits: • Wide torque coverage from 1Nm to 330Nm across four tools • Flip-reverse, quick-release Chrome Vanadium steel ratchet heads for versatile use • Calibrated to BS EN ISO 6789-1:2017 with individually numbered test certificates • Wrenches accurate to ±4%; torque screwdriver accurate to ±6% • Dual-scale graduated in Nm and lb.ft for flexible working • Aluminium knurled handles for comfort and control • Torque screwdriver with 1/4" Hex quick release bit holder • Supplied in EVA foam storage tray for protection and organisation • Lifetime guarantee included Specifications: Model No: STW909SETB Brand: Premier Black Drive: 1/4" Hex, 1/4" Sq, 3/8" Sq, 1/2" Sq Range: 1/4" Hex Drive 1–6Nm, 1/4" Sq Drive 5–25Nm, 3/8" Sq Drive 20–120Nm, 1/2" Sq Drive 60–330Nm Length: 20

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