General description Sealey Premier Total Drive® Deep Socket Set 1/4" Sq Drive includes 13 pieces made from hardened and heat-treated Chrome Vanadium steel. The sockets feature a half chrome/satin finish with a knurled ring for enhanced grip, even when handling oily tools. This set is designed for versatility, as all sockets are equivalent to Metric hex and bi-hex, with many also compatible with Imperial hex, Imperial bi-hex, and TRX-Star* sockets. The set is conveniently supplied on a storage rail for easy organization. Technical specifications Material: Chrome Vanadium steel Finish: Half chrome/satin Socket sizes: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14mm Model No.: AK69813D Other information Lifetime guarantee* Part of a comprehensive range of Premier Hand Tools, suitable for daily professional use Rail mounted for ease of storage and socket selection