The Milwaukee 1/2" Drive 46-pc Ratchet and Socket Set - SAE and Metric, No. 48-22-9010, includes a 90-tooth ratchet, two extensions, and standard and deep sockets in SAE and metric. The ratchet offers a four-degree arc swing and a slim profile design, allowing the user to work in tighter spaces. The socket set features a wrench-compatible socket design with four flat sides to help prevent rolling and the design helps reduce bolt rounding and stripping. The set includes a removable inner tray designed to be stored long-term in a steel storage chest and a durable carrying case for portability.