The Snap-On SFSM Set is a high-quality 6-piece deep socket set designed for automotive use. Specifically, this set includes sizes 9mm, 10mm, 11mm, 17mm, 18mm, and 19mm, making it versatile for various applications. Made by the trusted brand Snap-on, these sockets feature a chrome surface finish and a 6 point design for durability. With a 3/8 inch drive size and metric measurement system, this set is a reliable and essential addition to any mechanic's toolbox.