1/2 inch drive, 2 ratchets (one swivel joint), plus 10" extender, breaker bar, and reducer. Standard size sockets, 7/16" through 1 1/4", plus 9/16", 11/16", 13/16", and 7/8" deep sockets. Extra 7/16", 3/4", and 17 mm standard sockets. The extra standard sockets and swivel joint ratchet are not Craftsman. Socket organizers included. All in great shape, the Craftsman set is vintage, at least 50 years old, extras are more recent. Will include an old tool box if you want it.