A professional set of bits for unscrewing special screws such as: torx, spline, hex. Made of the highest quality S2 tool steel, which is characterized by high hardness HRC 58-62, uniform, fine-grained material structure, resistance to twisting, high tightening torque, excellent hardening. The variety of bits provides the ability to perform many works in specialized mechanical and automotive services. Contents 30 mm TORX bits: T20, T25, T30, T40, T45, T50, T55 75 mm TORX bits: T20, T25, T30, T40, T45, T50, T55 30 mm SPLINE bits: M5, M6, M8, M10, M12 75 mm SPLINE bits: M5, M6, M8, M10, M12 30 mm HEX bits : H4, H5, H6, H7, H8, H10, H12 75 mm HEX bits (hexagonal): H4, H5, H6, H7 , H8, H10, H12 Adapter with 1/2 "socket for 10 mm bits Adapter with 3/8" socket for 10 mm bits.