Our ratchet and socket set features sockets that have FOUR FLAT™ sides that deter rolling and are wrench compatible for maximum productivity. The 90-tooth ratchet tool that provides 4 deg of arc swing and a slim profile for work in tighter spaces. We've stamped the sizes into each socket for easy-to-read visibility. You can keep both the SAE and metric 56-piece 3/8 in and 50-piece 1/4 in drive ratchet and socket sets organized in the included PACKOUT™ low-profile organizer equipped with a clear top for easy identification of parts at a glance. This PACKOUT™ organizer is IP65 rated and built from impact-resistant materials for durability on and off the jobsite with a reinforced hinge and heavy-duty latches. The low-profile organizer is part of the Milwaukee PACKOUT™ modular storage system, allowing you to custom build storage systems to easily transport and organize your tools and accessories. This combo kit includes a 106 total pieces.