The HT 1/2 Drive Deep Socket 21MM Metric 6PT from Horizon Tool Inc. is an essential tool for any mechanic. Made from high-quality chrome vanadium steel, this socket is designed for durability and strength. The 1/2-inch drive size and 21MM metric size make it versatile for various applications. The deep design allows for easy access to recessed fasteners, while the 6-point configuration ensures a secure fit, reducing the risk of rounding. This socket meets ANSI standards for quality and performance, making it a reliable choice for both professional and DIY projects.