A TengTools 9-piece set of hex bit sockets with a 1/4″ drive, designed to meet the needs of professionals in a range of technical and mechanical fields. These tools meet the DIN 7422 industrial standard, providing both the robustness and precision that professional users demand. Whether used in a well-equipped mechanical workshop or in less predictable field service environments, this socket set is a reliable and useful tooling solution. The set comes on a socket rail.