Be ready for anything with the TEKTON 3-pc. Impact Adapter Set. Engineered for use with impact drivers, these problem solvers give you more options for dealing with the unexpected. They create solutions for lost or broken sockets, fill the gaps in incomplete size ranges, and extend the capability of your existing socket system. Made from premium chrome vanadium steel, they are precisely heat treated for superior strength and protected by a corrosion-resistant black oxide finish.