The Draper 15 Piece 1/2" Drive Deep Socket Set on Rail is a comprehensive metric socket collection designed for professional mechanics and automotive technicians working with recessed fasteners. Manufactured from chrome vanadium steel, each socket is hardened and tempered to withstand the high torque demands of workshop use. The micro satin chrome plated finish provides excellent corrosion protection whilst maintaining a professional appearance. A knurled ring on each socket delivers enhanced grip, particularly useful when working with oily hands or in awkward positions where precise socket placement is essential. This deep socket set is ideal for accessing nuts and bolts on threaded rods or where standard depth sockets cannot reach the fastener head. The comprehensive 10-24mm size range covers the most common metric fasteners found in automotive, plant machinery and general mechanical applications. Supplied on a sturdy metal socket rail, the set offers secure storage and quick size id