Introducing our premium 21mm Forged Steel Drive Socket, expertly designed for both DIY enthusiasts and professional mechanics. This 3/8" square drive socket is crafted from cold-forged Chrome Vanadium steel, ensuring exceptional durability and strength for all your fastening needs. The socket is hardened and tempered, providing added resilience during heavy-duty use. Featuring a stunning chrome plating with a fully polished mirror finish, this socket not only looks great but is also resistant to corrosion and wear. The innovative WallDrive socket configuration allows for improved torque and minimizes the risk of rounding off fasteners, making it a reliable choice for any job. For added convenience, the socket includes a knurled ring that provides a secure grip, even when working with oily or greasy hands. Plus, we stand by the quality of our tools with a lifetime guarantee, ensuring your investment is protected for years to come. Specifications: - Depth: Standard - Drive: 3/8" Square - Material: Chrome Vanadium - Net Weight: 0.07kg - Size: 21mm Explore our extensive range of tools and workshop equipment, featuring over 10,000 items tailored for every project, big or small. If you need assistance finding the right product, our friendly team is ready to help you. Shop with us for quality tools that deliver performance and reliability.