Ko-ken RS3025Z/8-L75 3/8 Sq. Dr. 8 Piece Z-Series TORX® Bit Socket Set (T20-T55). TORX® is renowned for its efficiency in transferring greater torque, reducing load, and nearly eliminating tool slippage. This set includes eight Z-Series TORX® bit sockets, featuring sizes T20, T25, T27, T30, T40, T45, T50, and T55. The 75mm length sockets are mounted on a 200mm rail for organized storage and easy access. Designed with a 3/8" drive, these sockets are built for durability and high performance in a variety of fastening applications.