Description This is a 12-piece metric deep socket set designed for 3/8" square drives. The sockets are made from chrome vanadium steel, hardened and tempered for durability. They feature a micro satin finish to reduce glare and improve corrosion resistance. Each socket has a knurled ring for a better grip during use. The set includes sizes from 8mm to 19mm, suitable for various automotive and home repair tasks. The sockets are stored on a plastic hanging rail, which can also be used for organizing in a toolbox. Specifications Type: Deep socket set Number of pieces: 12 Drive size: 3/8 inch square Material: Chrome vanadium steel Finish: Micro satin Socket sizes: 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm Compatibility and Accessories Compatible with 3/8" drive tools Includes a plastic hanging rail for storage and organization Installation No installation required. Simply attach the sockets to compatible ratchets or drive tools for use. Usage Use the sockets