Professional 7/16 WW Whitworth sockets for commercial or occasional use Whitworth socket Deep 7/16 WW Whitworth sockets 3/8in. drive Whitworth socket so will fit any 3/8in. drive ratchets, extensions, power bars etc... Deep sockets so perfect for access in hard to reach and restricted areas 12 point socket so ideal for maximum grip for tight / stubborn nuts and bolts etc... Total depth of the sockets – 65mm 12 sided / Bi-hex sockets Manufactured from CR-v steel for maximum strength and durability