The Britool BRIE031804B 15 piece 3/8 inch 6-point long socket set includes the following hex long sockets:
7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 21 - 22mm.

The Britool BRIE031804B set is supplied in a socket case with metal clasps which also converts into a modular storage system for use in roller cabinets.