The 28-Piece standard 3/8 In. drive ratchet & socket set was designed to offer better access in tight spaces and maximum tool strength. The 90-tooth ratchet tool offers 4 Deg. arc swing and a slim profile design allowing work in tighter spaces. Innovative socket design has FOUR FLAT sides which deter rolling and are wrench-compatible. Optimized socket geometry helps reduce bolt rounding and stripping. Socket sizes are stamped into the flats for improved easy-to-read visibility. The ratchet and socket kit comes with a removable inner tray, designed to be stored long-term in a steel storage chest. It also comes with a durable carrying case for ultimate portability. The set comes with accessories included so that users can get every job done, both in the garage and on the jobsite. This kit comes in a PACKOUT low-profile compact organizer for ultimate organization. Includes Standard sockets: 1/4 In., 5/16 In., 3/8 In., 7/16 In., 1/2 In., 9/16 In., 5/8 In., 11/16 In., 3/4 In., 13/16 In., 7/8 In., 15/16 In., 1 In. Includes Deep Well sockets: 1/4 In., 5/16 In., 3/8 In., 7/16 In., 1/2 In., 9/16 In., 5/8 In., 11/16 In., 3/4 In., 13/16 In., 7/8 In. Also included are 3 In. extension and 6 In. extension.