Socket adapter, for use with impact drills, cordless drills, corded drills, ratchets, features maximum durability and long life with impact drivers ball retention design for quick-change applications, forged socket body for additional strength, black Oxide finish resists corrosion and increases life of bit, 1/4 in. Quick-change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks, package quantity 1 '.