Professional Whitworth sockets for commercial or occasional use 1/2" drive sockets Whitworth sockets 1/2" drive deep British Whitworth sockets Total length of the sockets 76mm 1/2" drive so will fit any 1/2" drive ratchets / extensions / power bars etc... Deep sockets so perfect for access in restricted areas 12 sided / Bi-hex sockets 12 point sockets so ideal for maximum grip for tight / stubborn nuts / bolts etc... Manufactured from chrome vanadium steel for strength and durability Fully polished for mirror finish and resistance to corrosion 9pc Whitworth sockets SET INCLUDES THE FOLLOWING SIZES • 1/8”, 3/16”, 1/4”, 5/16”, 3/8”, 7/16”, 1/2", 9/16” and 5/8” Comes complete on a socket rail for easy storage and transportation (the socket rail also has a hole in either end so perfect for hanging up on your garage / workshop wall)