torx, spline and hex screwdriver bit set 40 pcs S2 steel (C6940) - RichmannRICHMANN screwdriver bits set. Hex, spline and torx. Made with highest quality tempered and hardened S2 steel which is much harder than standard steel used for bits. Packed in metal case. Design for industry use. Set include: hex bits H4, H5, H6, H7, H8, H10, H12 : 30mm long, hex bits H4, H5, H6, H7, H8, H10, H12 : 75mm long AISI S2 spline bits M5, M6, M8, M10, M12 : 30mm long spline bits M5, M6, M8, M10, M12 : 75mm long AISI S2 torx bits T20, T25, T30, T40, T45, T50, T55 30mm long torx bits T20, T25, T30, T40, T45, T50, T55 75mm long AISI S2 drive socket adaptors: 1/2" & 3/8" Vat receipt with every order.