This product is a set of 5 Snap-on swivel and drive socket set, including sizes 16mm, 20mm, 14mm, 12mm, and 18mm. Made in the United States with a chrome surface finish, these sockets are 6 point drive type with a drive size of 3/8 inches. They are standard socket type and come in a set, ideal for automotive use. The manufacturer part number is IMBF 12B, and they are designed by the reputable brand Snap-on, ensuring quality and durability in various sizes for different applications. 16B 20B A136 A119 1/2” Combine purchases to save on shipping costs