The Sealey 13 Piece 1/2" Drive Lock On Hexagon Socket Set is a professional metric socket set designed for automotive and mechanical applications. Manufactured from hardened and tempered Chrome Vanadium 6142 steel, this socket set delivers exceptional strength and durability for demanding workshop environments. The set features specially machined flutes within the socket walls, enabling use on up to 85% rounded fasteners whilst preventing further damage to worn or rusted fixings. This innovative design provides added strength and grip where conventional sockets would slip, making it ideal for automotive repair, machinery maintenance, and working with corroded components. Each socket benefits from a fully polished mirror finish for corrosion resistance, ensuring long-term performance in professional workshop conditions. The knurled ring on each socket provides extra grip when working with oily fingers, a practical feature for mechanics and engineers. The comprehensive 13-piece set covers the most commonly used metric sizes from 10mm to 24mm and is supplied on a socket rail for organised storage and easy size identification. Features and Benefits: • Lock-On™ design grips rounded fasteners up to 85% worn • Chrome Vanadium 6142 steel construction for professional durability • Mirror polished finish resists corrosion in workshop environments • Knurled ring provides secure grip with oily hands • Comprehensive metric range covers common automotive sizes • Lifetime guarantee for long-term reliability Specifications: Brand: Premier Configuration: 6-point Lock-On™ Socket Contents: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24mm, Socket Rail Depth: Standard Nett Weight: 0.95kg Qty: 13 Type: 1/2"Sq Drive - Metric