General description The BlueSpot 1/4in Metric Socket Set is designed for durability and convenience. Manufactured from heat-treated, chrome vanadium steel, this set features a fully polished finish and comes supplied in a sturdy metal case for quick and convenient storage. Technical specifications Socket sizes: 4, 5, 6, 7, 8, 9, 10, 12, and 13mm Number of pieces: 24 Material: Heat-treated chrome vanadium steel Ratchet handle: 1/4in with 72 teeth Extension bars: 2in and 6in Compatibility and accessories 9 x 1/4in Sockets 9 x 1/4in Deep Sockets 2 x 1/4in Extension Bars 1 x 1/4in Universal Joint 1 x 1/4in Spinner Handle 1 x 1/4in Ratchet Handle 1 x Sturdy Metal Storage Case