Socket accessory set, chrome vanadium steel, shatter resistant case with removable inner tray, set includes: 1/4" drive 3'', 6", 10" extensions 3/8" drive 3'', 6", 10" extensions, 3/8" drive spark plug sockets: 5/8", 3/4", 13/16", 1/4" - 3/8" drive adaptor, 1/4" drive universal joint, 3/8" - 1/4" drive adapter, 3/8" drive universal joint, 1/4" drive drill adapter, 3/8" drill adapter.