The 1/4 DR X 5/16 Hex Socket from REX INTERNATIONAL is a high-quality tool designed for efficient fastening and loosening of hex fasteners. With a drive size of 1/4 inch and a hex size of 5/16 inch, this socket is compatible with most standard ratchets and wrenches. Made from durable materials, it offers excellent strength and resistance to wear, ensuring reliable performance in various applications. This socket is ideal for automotive, industrial, and DIY projects, providing ease of use and versatility for both professionals and hobbyists.