Comprised of 50 1/2in. and 1/4in. square drive sockets and accessories, this socket set is highly comprehensive and suited for professional use. Each component is manufactured from chrome vanadium steel, with a highly polished, chrome plated mirror finish and aluminium free construction. Supplied in a moulded plastic carry case. Features: Unique 'Double-Knurl' for High Grip of even damaged or worn bolts Slide Drive® allows you to deliver superior torque for easier turning Sockets will not round off bolts whilst still gripping efficiently 12 Point Bi-Hexagon design means the fastener requires less turning for minimal user effort Each socket is manufactured from chrome vanadium steel for durability Fully Chrome Plated with Mirror Finish for an easy tool clean and protection against corrosion Supplied in a fitted case with a cushioned Handle, Snap-Shut Clasps and Padlock Hole to secure, organise and transport your tools and accessories Package Contents: 1/2" Extension Bars 75 and 250mm 1/2" Quick Release Ratchet Handle 1/2" Sliding T-handle 1/2" Sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 27, 30, 32, 36mm 1/2" Swivel Handle 375mm 1/2" Universal Joint 1/2" Wobble Extension 150mm 1/4" Extension Bars 50, 150 and 250mm 1/4" Flexible Extension 150mm 1/4" Jointed Swivel Handle 150mm 1/4" Ratchet Handle 1/4" Sliding T-handle 1/4" Spinner Handle 1/4" Standard Sockets: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13mm 1/4" Universal joint 1/4" Wobble Extension 100mm Applications: Construction Engineering Plumbing Automotive Standards: ANSI B107.5M: 1987 ANSI B107.1: 1978 BS 4006: 1992 ANSI B107.10M : 1982 BS 4006 : 1992