The Ko-ken RS3425/9 3/8" Square Drive TORX® Socket Set is a 9-piece collection designed for superior fastening performance. This set includes TORX® sockets in sizes E4, E5, E6, E7, E8, E10, E12, E14, and E16, all securely mounted on a 200mm rail for easy organization and accessibility. Recognized for their efficiency, TORX® fasteners provide the ability to transfer greater torque, reduce load, and virtually eliminate tool slippage. Engineered for durability and precision, this TORX® socket set is an essential tool for professionals seeking reliable and effective fastening solutions in a variety of applications.