The Milwaukee® SAE 28-piece 3/8 in drive ratchet and set was designed from the ground up to offer better access in tight spaces and maximum tool strength. The 90-tooth ratchet tool offers 4 deg of arc swing and a slim profile design, allowing work in tighter spaces. Innovative, design has four parallel flats, which deter rolling and are wrench compatible. Optimized, geometry helps reduce bolt rounding and stripping. Sizes are stamped into the flats for improved easy-to-read visibility. The ratchet and 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 our 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. Milwaukee® PACKOUT™ Wrench Set, Imperial System of Measurement, 28 Piece, Specifications: 3/8 in Drive, Alloy Steel, Polished Chrome, 8-1/2 in L Dimensions