This Combo Kit features a 90-tooth ratchet tool that provides 4 Deg. arc swing and a slim profile for work in tighter spaces. The ratchet and socket set has FOUR FLAT Sides that are anti-roll and wrench-ready with sizes stamped into each socket for easy-to-read visibility. Both the Standard and Metric 56-Piece 3/8 In. and 50-Piece 1/4 In. Drive Ratchet and Socket Sets can be kept organized in the included PACKOUT Compact Low-Profile Organizer with a clear top for easy identification of parts at a glance. The Low-Profile Organizer is part of the Milwaukee PACKOUT Modular Storage System, allowing for customization of storage systems to easily transport and organize tools and accessories. This kit includes a total of 106 pieces: a 56-Piece 3/8 In. Drive Ratchet and Socket Set (48-22-9008), a 50-Piece 1/4 In. Drive Ratchet and Socket Set (48-22-9004), and a PACKOUT Compact Low-Profile Organizer (48-22-8431).