Teng Tools Step Up AdaptorThe Step Up Adaptor allows the use of sockets with a larger drive than the tool, providing flexibility when working with different fasteners. Made from chrome vanadium steel, it ensures durability and reliable performance. Key features: Satin finish for better grip when handling sockets Ball detent on the male end securely grips the socket Supplied with a metal socket clip for use with a socket rail Available in 3 8"F 1 2"M, 1 2"F 3 4"M, and 3 4"F 1"M