Hex profiles are one of the most common fasteners found in the automotive, industrial, and agricultural markets today. Our Hex Bit Socket Sets give service professionals a tool for application from bumper to bumper on millions of vehicles. All OTC Bit Sockets are manufactured with premium quality tool grade steel and are manufactured as two-piece construction for even stronger performance. These bit sockets give today’s service professionals the ability to have the right tool required for applications using the most common specialty fasteners found in your shop today. These high quality bit sockets will provide a lifetime of performance when used with hand tools. The warranty is voided if these bit sockets are ever used with impact tools.