(1/3 module) With socket bit assortment 12.5 mm (1/2″) square drive. All parts made from chrome vanadium steelContents:1 hexagonal socket bit 12.5 mm (1/2″) each, AF 10 / 11 / 12 / 13 / 14 / 15 / 16 / 17 / 18 / 19 / 21 / 22 / 23 / 24 / 26 / 27 / 28 / 30 / 32 mm (19)1 socket bit 12.5 mm (1/2″) each for screws with hexagon socket profile AF 6 / 7 / 8 / 9