Teng M3813TX Socket Clip Rail Set of 9 External TORX 3/8in DriveThis Teng Tools 9 piece set consists of 3 8in Drive TORX bit sockets for internal TX heads. The sockets are manufactured from chrome vanadium steel for strength, durability and have a satin chrome finish. They are supplied on a clip rail, which is ideal for both wall mounting and for use in a toolbox. The set comprises the following AF socket sizes: TX10, TX15, TX20, TX25, TX27, TX30, TX40, TX45 and TX50, and 1 x clip rail 165mm in length.