This Milwaukee Combo Kit features a 90-tooth ratchet tool that provides 4° of arc swing and a slim profile for work in tighter spaces. The included ratchet and socket set has FOUR FLAT Sides that prevent rolling and are wrench compatible. Sizes are stamped into each socket for easy-to-read visibility. Users can keep both the SAE and Metric 56-piece. and 50-piece 1/4 in. Drive Ratchet and Socket Sets organized in the included PACKOUT Compact Low-Profile Organizer with a clear top for easy identification of parts at a glance. This Milwaukee Combo Kit includes 130 total hand tool pieces and 3 PACKOUT pieces: one 56-Piece 3/8 in. Drive Ratchet and Socket Set (48-22-9008), 1 50-Piece 1/4 in. Drive Ratchet and Socket Set (48-22-9004), 1 4-Piece Hook and Pick Set (48-22-9215), 1 7-Piece Combination SAE Wrench Mechanics Tool Set (48-22-9407), 1 7-Piece Combination Metric Wrench Mechanics Tool Set (48-22-9507), 1 6-Piece Screwdriver Set (48-22-2706), 1 PACKOUT Low-Profile Organizer (48-22-8431), 1 PACKOUT Storage Crate Bin (48-22-8440), and 1 PACKOUT Rolling Tool Box (48-22-8426).