The Britool E031805B 22 piece 3/8 inch 12-point socket set includes the following sockets:

3/8 inch standard 12-point sockets: 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 21 - 22 - 24 mm.
1 3/8 inch ratchet.
1 75 mm extension.
1 125 mm extension.
1 3/8 inch socket with 1/4 inch bit holder.
1 3/8 inch universal joint.

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