3/8" Drive Socket Set 50-Piece / SAE (5/16" - 3/4") & Metric (8mm - 22mm) / Deep & Shallow Impact Socket Set with Case / 6 Points Design / Premium CR-V Steel Exceptional Quality and Durability: This 50-piece 3/8" socket set is crafted from premium chrome vanadium steel, boasting high strength and remarkable durability. The heat-treated sockets have a hardness of over 60HRC, delivering excellent wear resistance and handling extreme torque variations. A phosphate coating on the surface ensures superior corrosion resistance and rust prevention. Clear and Distinguishable Markings: Each piece is laser-etched with markings, allowing for quick identification of sizes even in dim lighting. This saves you time and effort in searching for the right part and trying out different socket sizes. 6-Point Design and Retaining Hole: The 6-point design ensures a perfect fit between the socket and bolt, minimizing wear and extending the bolt's lifespan. The detent hole secures the deep socket connection, preventing it from slipping off during use. Convenient and Secure Storage: This deep socket set 3/8" drive comes in a sturdy black blow-molded case, specifically designed to accommodate various socket sizes. The case's dual locks prevent accidental opening, ensuring easy storage and minimizing the risk of losing sockets.