The Fse180 Snap On E18 Swivel 3/8 Drive is a single, high-quality 3/8 inch socket with a universal/swivel design, making it versatile for various automotive applications. Made by Snap-on, a reputable brand in the industry, this SAE socket features a chrome surface finish for durability and corrosion resistance. With its reliable construction and size, this tool is a valuable addition to any mechanic's arsenal.