Vorel scredriver bits set 40 pcs. made with chrome vanadium steel, packed in plastic handy case. Set include;-Hex bits 30mm long:H4, H5, H6, H7, H8, H10, H12 and 75mm long: h4, H5, H6, H7, H8, H10, H12-Spline bits 30mm long:M5, M6, M8, M10, M12 and 75mm long: M5, M6, M8, M10, M12-Torx bits 30mm long: T20, T25, T30, T40, T45, T50, T55 and 75mm long T20, T25, T30, T40, T45, T50, T55-drive socket adaptors:1/2" and 3/8"Check our other items for good quality hand tools