Designed from the ground up, this 46-piece 1/2 in drive ratchet and 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 innovative, wrench compatible, design has 4-parallel flats to help prevent rolling. Optimized, geometry additionally helps reduce bolt rounding and stripping. Find each, size stamped into the flats for easy-to-read visibility. This kit includes a removable inner tray and is designed to be stored long term in a steel storage chest. It also comes with a durable carrying case for ultimate portability. The set accessories make sure the user can get every job done, both in the garage and on the jobsite. The ratchet and set is backed by a mechanics hand tools lifetime guarantee. Milwaukee® Wrench Set, Metric/Imperial System of Measurement, 1/2 to 1-1/8 in, 10 to 24 mm Size, 47 Piece, Specifications: 1/2 in Drive, Alloy Steel, Silver