This 341 pc. Mechanics Tool Set has a comprehensive offering of ratchets, sockets, wrenches, and accessories for a variety of uses. The included sockets offer DirectTorque Technology for greater contact with the flat surface area of fasteners. The three 72-tooth count ratchets allow for a 5-degree arc swing for maneuverability in restricted areas. These mechanics tools are housed in three trays to stay organized in your garage or truck.