Our 47 pieces SAE and metric 1/2 in drive ratchet and socket set offers better access in tight spaces and maximum tool strength. The 90 tooth ratchet tool offers 4 deg of arc swing and a slim profile design, so you can work in tighter spaces. The Milwaukee® socket set features an innovative wrench compatible socket design with FOUR FLAT™ sides to help prevent rolling. The 1/2 in drive ratchet has sockets with sizes stamped into the flats for easy-to-read visibility. Our optimized socket geometry additionally helps reduce bolt rounding and stripping. The Milwaukee® ratchet and socket set includes a removable inner tray designed to be stored long term in a steel storage chest and a durable carrying case for ultimate portability. The set's accessories guarantee you have what you need to tackle every job, both in the garage and on the jobsite. The 47 pieces SAE and metric 1/2 in drive ratchet and socket set is backed by a lifetime guarantee.