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...