Features:Manufactured from Chrome Vanadium steel with an electrodeposition finish for added corrosion resistance.Suitable for use with impact tools.Supplied in robust carry-case.Specifications:Model No: AK681Contents Table: 3/8″Sq Drive Sockets: 8, 9, 10, 11, 12, 14, 15, 16, 17mm1/2″Sq Drive Sockets: 17, 19, 22, 30mm, 1/2″, 9/16″, 11/16″, 13/16″, 1″, 1-1/8″1/2″Sq Drive Deep Sockets: 13, 15, 17, 18, 19, 21, 22, 24, 27, 30mmExtension Bars: 3/8″ x 75mm, 1/2″ x 75mmAdaptor: 1/2″(F)-3/8″(M)Height: 256Width: 334Length: 79.