The HT 3/8 Drive Socket 21MM Metric 12PT from Horizon Tool Inc. is designed for precision and durability in various applications. Constructed from high-quality chrome vanadium steel, this socket offers exceptional strength and longevity. The 21MM size is ideal for a range of automotive and industrial tasks. Its 12-point design allows for a secure grip on fasteners, minimizing slippage and ensuring efficient torque application. This socket is compatible with standard 3/8 inch drive tools and features a polished chrome finish for enhanced corrosion resistance. This product meets ANSI standards for quality assurance, ensuring reliability and safety in every use.