Invest in quality with the 3/8 inch hex socket. This hex socket has a standard depth to fit almost every metric nut and bolt. This socket is made from heat treated alloy steel and has a hardness that is almost impossible to break or bend. Made with the quality you deserve, the Craftsman 3/8 inch hex socket is a great addition to your tool box. This socket has a silver high polish finish that is easy to maintain with a quick wipe from a damp cloth. Markings are stamped and laser etched so they're easy to read and won't wear off over time.