The Ko-ken RS3440T/8 3/8" Square Drive 6-Piece TORX® Universal Socket Set is designed for superior efficiency in fastening applications. This set includes TORX® universal sockets in sizes E6, E8, E10, E12, E14, E16, E18, and E20, all securely mounted on a 200mm rail for easy organization and accessibility. TORX® is recognized as one of the most efficient fastening systems due to its ability to transfer greater torque, reduce load, and virtually eliminate tool slippage. Featuring a universal design that allows for a degree of rotation, these sockets can engage with various fasteners at different angles, making them essential for a wide range of tasks. Engineered for durability and high performance, this TORX® universal socket set is a valuable addition to any professional toolbox, ensuring reliable and efficient operation in your fastening projects.