The Milwaukee Hand Tools Tradesman 3/8in Drive Ratchet Set contains a selection of popular sizes and pivoting head ratchet handle. The slim profile design provides better access and the square shaped sockets are compatible with combination spanners. Supplied in a portable carry case. Contains the following: 8 x 3/8in Sockets: 10, 12, 13, 14, 15, 17, 18 & 19mm1 x 3/8in to 3/8in Adaptor1 x 3/8in to Hex 3/8in Adaptor1 x Extension 152mm1 x 3/8in Pivoting Head Ratchet Handle