Titan Tools 3/8 inch drive sockets are constructed of strong, chrome vanadium (Cr-V) steel and polished to a beautiful mirror finish. Every socket has a stamped size that is easy to read for Quick identification in your tool box. The convenient knurled ring around the base of each socket offers a textured surface to grip onto when working in greasy or oily conditions. These sockets are available individually and in sets, including both standard and deep styles in SAE and metric sizes to ensure you have the necessary tools for all situations.