Milwaukee's 12 Pc. 3/8 In. Drive Standard ratchet/socket set delivers ultimate versatility and access. The slim-profile ratchet features a pivoting head that can be used as a ratchet, a nut driver, or any angle in between. Sockets feature a FOUR FLAT parallel flat design for wrench compatibility and to deter rolling. Socket sizes are stamped into the flats for improved visibility. The kit is stored in a soft-sided carrying case that includes a socket rail to keep sockets and accessories organized, both on and off the jobsite. Includes: 3/8 In., 7/16 In., 1/2 In., 9/16 In., 5/8 In., 11/16 In., 3/4 In. Deep Well Sockets, 3/8 In. Drive Roto Ratchet, 6 In. Extension, 3/8 In. to 1/4 In. Drive Adapter, 3/8 In. to Hex Adapter, Carrying Case.