Spanners: High quality set of British Whitworth Spanners. Manufactured from Chrome Vanadium steel for strength and durability. Satin Finish. Combination spanner, ring and open end. Comes in a tool roll for storage and transportation. Includes Sizes; 1 x spanner 1/8 whitworth total length 130mm 1 x spanner 3/16 whitworth total length 160mm 1 x spanner 1/4 whitworth total length 170mm 1 x spanner 5/16 whitworth total length 190mm 1 x spanner 3/8 whitworth total length 220mm 1 x spanner 7/16 whitworth total length 245mm 1 x spanner 1/2 whitworth total length 275mm 1 x spanner 9/16 whitworth total length 295mm Sockets: High Quality 1/2" drive sockets in British Whitworth Sizes. Manufactured from Chrome Vanadium steel for strength and durability. 1/2" square drive for use with any 1/2" drive power bar / ratchet etc... Bihexagonal Sockets. Comes on a socket rail for easy storage and transportation. Includes Sizes; 3/16W / 1/4W / 5/16W / 3/8W / 7/16W / 1/2W / 9/16W and 5/8W