The THORSEN 528 is a high-quality 7/8 inch 12 point socket designed for automotive use. Made in the USA, this socket is part of the SAE system of measurement and features a 1/2 inch drive size. With its durable construction and precise fit, this socket is a reliable tool for automotive maintenance and repair. Perfect for professional mechanics and DIY enthusiasts alike, the THORSEN 528 is a valuable addition to any toolbox.