13-part socket wrench set made of chrome vanadium with a special profile Enables the universal use of many metric and imperial socket bits Suitable for hex, double hex, multi-tooth XZN, external TORX® - E-TX Supplied on a wall-mountable metal rail with spring retainers - 6.5 mm holes spaced at 203 mm Set consists of the 13 HeadiX sizes stated in the table