3/8" Drive Impact Socket Set, 48 Piece - SAE/Metric (5/16"-3/4", 8-22mm) Cr-V with Extension, Universal Joint & Adapter - Automotive Repair Tool Kit

【Durable Cr-V Steel】: Constructed from industrial-grade Cr-V alloy steel; provides exceptional impact resistance and longevity; undergoes vacuum heat treatment for a polished, durable surface; withstands high torque applications 【SAE & Metric Sizes】: Includes 48 sockets covering both SAE (5/16"-3/4") and metric (8-22mm) sizes; features both deep and standard sockets for increased versatility; meets a wide range of fastening needs 【Hexagonal Socket Design】: The hexagonal design reduces pressure on fasteners; minimizes wear and prevents rounding or stripping; ensures a secure grip for efficient operation; improves overall tool performance 【Laser-Etched Markings】: Size markings are laser-etched and rolled for permanent visibility; easy to read even in low-light conditions; simplifies socket selection and saves time; enhances user convenience 【Portable Storage Case】: Comes with a split-strengthened metal toolbox for secure storage and convenient portability; keeps sockets organized and prevents loss; ideal for both professional mechanics and DIY enthusiasts