The MILWAUKEE® SAE 56 piece 3/8" drive Ratchet & Socket set is designed from the ground up, offering our users the Most Versatile Sockets that are Anti-Roll and Wrench-Ready. Its innovative FOUR FLAT™ Sides feature an anti-roll and wrench-ready design. The 90 tooth ratchet tool offers 4° of arc swing and a slim profile design, allowing you to work in tighter and more confined spaces, be it under the hood of a car or in the middle of a remodel. The ratchet and socket kit comes with a removable inner tray which is perfectly designed to be stored long-term in a steel storage chest. All of these sockets are stamped with metric and SAE measurements on the flat side for easy-to-read visibility. 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. The ratchet and socket set is backed by Milwaukee's Lifetime Guarantee. The MILWAUKEE® 106pc Storage Trays are designed to fit the 50pc 1/4" Drive and 56pc 3/8" drive socket sets into the MILWAUKEE® PACKOUT™ Low-Profile Organizer. The storage tray fits within PACKOUT™ Low-Profile Compact Organizer for ultimate organization. The clear organizer lid and color-coded tray provide easy parts and hand tool identification. When the trays are placed within a PACKOUT™ Organizer the tray will have IP54-rated protection. These trays FIT ONLY Milwaukee® FOUR FLAT™ Sides Sockets.