This 3/8 In. drive metric ratchet & socket set 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. The set 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 Compact Low-Profile Organizer is part of the Milwaukee PACKOUT Modular Storage System, allowing for customization of storage to easily transport and organize tools and accessories. Includes standard sockets: 6 mm, 7 mm, 8 mm, 9mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm. Includes deep well sockets: 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm. Also includes 3 In. extension, 6 In. extension, swivel extension.