This Facom 3/8in Drive Socket Detection Box is a 12 piece set containing the following sockets and accessories:

14 x 12-point 3/8in sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21 and 22mm.
1 x 3/8in ratchet.
2 x extensions: 125 and 250mm.
1 x universal joint.