The Milwaukee 47-Piece SAE and Metric 1/2 -inch Drive Ratchet and Socket Set offers better access in tight spaces and maximum tool strength. The 90-tooth ratchet tool offers 4of arc swing and a slim profile design, so users can work in tighter spaces. The Milwaukee socket set features an innovative wrench-compatible socket design with 4 flat sides to help prevent rolling. The 1/2 -inch drive ratchet has sockets with sizes laser engraved into the flats for easy-to-read visibility. The optimized socket geometry additionally helps reduce bolt rounding and stripping. The Milwaukee ratchet and socket set includes a removable inner designed to be stored long-term in a steel storage chest and a durable carrying case for ultimate portability. The sets accessories guarantee users have what they need to tackle every job, both in the garage and on the jobsite. The 47-Piece SAE and Metric 1/2 -inch Drive Ratchet and Socket Set is backed by a lifetime guarantee.