The Milwaukee 49-66-6806 is a 31-piece SHOCKWAVE Impact Duty™ 1/2" Drive SAE and Metric Deep Socket Set designed for professional mechanics, contractors, and maintenance technicians. Engineered for high-torque fastening applications, this impact socket set includes a comprehensive assortment of deep SAE and metric sockets organized in a durable PACKOUT™ Organizer for convenient storage and transport. Manufactured from high-strength forged steel, the sockets feature a durable 6-point design that helps maximize fastener engagement while reducing rounding. Stamped and ink-filled size markings improve visibility and wear resistance, allowing users to quickly identify the correct socket size even in demanding jobsite conditions. The dual-hole design and ring groove provide secure attachment and easy removal when used with compatible impact tools.