The AST Tools 4PC Metric 1/2″ and 3/8″ Drive Stud Remover Socket Set is a specialty hand tool set designed for automotive use. This set includes standard metric sockets in sizes ranging from 6mm to 12mm, making it versatile for various applications. With a drive size of 3/8″ and 1/2″, this set is perfect for removing and installing nuts and bolts with ease. The brand AST is known for quality and reliability, ensuring that these sockets will be a valuable addition to any toolbox.