Put your mitts on some serious torque with the 5/16 inch hex socket made by Craftsman. The extra care and attention to detail that Craftsman gives every tool it makes is evident in this standard size steel hex socket. Not only do automobile mechanics love this handy socket but homeowners and hobbyists also find many uses for a socket of this size. The Craftsman 5/16 inch hex socket is great for car and truck tune-ups, but It's small enough for many home projects, too. You can use this size when working on some electronics and this size also works for small engine repair. This socket can even be used for bicycle and motorcycle repair and has many more uses, as well, because of its powerful construction hex shape and handy 1/4 inch drive size.