The Sealey 30 Piece 1/2" Drive Hexagon Socket Bit Set is a comprehensive metric socket set designed for professional mechanics and technicians working with hex head fasteners. This versatile set combines durable Chrome Vanadium steel sockets with high-quality S2 steel hex bits, offering extended reach capabilities across four different length options. Each socket undergoes heat treatment before being chrome plated, delivering excellent resistance to corrosion whilst maintaining the strength required for demanding workshop applications. The fully polished chrome finish not only provides a professional appearance but also facilitates easy cleaning, whilst the knurled ring on each socket ensures enhanced grip during operation, particularly beneficial when working with oily or greasy components. The set offers exceptional versatility with 30 hex socket bits across four lengths - 55mm, 100mm, 140mm, and 200mm - providing access to recessed fasteners in confined spaces or those requiring extended reach. This makes the set ideal for automotive maintenance, machinery servicing, and general mechanical repair work where hex bolts are commonly encountered. The included storage case keeps all components organised and protected, whilst the lifetime guarantee provides long-term peace of mind for professional users. Features and Benefits: • Chrome Vanadium construction with S2 steel bits for durability and longevity • Four length options from 55mm to 200mm for versatile access • Heat treated and chrome plated for corrosion resistance • Knurled ring design provides secure grip during use • Storage case keeps set organised and portable • Lifetime guarantee for professional confidence Specifications: Brand: Premier Contents: 1/2"Sq Drive Hex Socket Bits; Length 55mm - 5, 6, 7, 8, 10, 12, 14, 17, 19mm, Length 100mm - 5, 6, 7, 8, 10, 11, 12, 13mm, Length 140mm - 5, 6, 7, 8, 10, 12, 14mm, Length 200mm - 5, 6, 7, 8, 10, 12mm Drive: 1/2"Sq Maximum Length: 200mm Minimum Length: 55mm Nett Weight: 4.525