The Performance Tool W32988 1/2 Drive Hex Bit Socket, 18mm, is a strong and durable tool made from high-quality Chrome Vanadium Alloy Steel, capable of handling even the toughest jobs. Its polished Nickel Chrome plated finish ensures corrosion-resistance and longevity, while the tamper-resistant design featuring a recessed bit end keeps your tools secure. This hex bit socket fits most standard socket wrenches, making it a universal fit for a wide range of applications. And with a lifetime warranty, you can trust the Performance Tool W32988 1/2 Drive Hex Bit Socket, 18mm, to provide reliable performance and peace of mind for all your mechanical needs.