This socket set is one of a comprehensive range of Premier Hand Tools, suitable for daily professional use. It is a professional socket set with heat treated Chrome Vanadium steel sockets and accessories. Each piece comes with a fully polished black chrome finish with machined and lacquered surfaces. The set covers sizes from 8 to 32mm and features a 72-tooth flip reverse ratchet wrench with push-button quick release, extension bars, spark plug sockets, universal joint and T-bar adaptor. The product is supplied in metal storage case and includes a contents map displayed inside the lid. Contents: Standard Sockets; 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 27, 30, 32mm, Spark Plug Sockets; 16, 21mm, Extension Bars; 75, 125, 250mm, 1/2"Sq Drive 72-Tooth Flip Reverse Ratchet Wrench with Quick Release, Universal Joint, 1/2"Sq Drive - 3/8"Sq Drive Male T-Bar Adaptor