Torx is recognized as the most efficient fastening system because of their ability to transfer greater torque, reduce end load and virtually eliminate tool slippage 14105 Impact Bit Holder 107-11 Impact Torx Bits - T30, T40, T45, T50, T55, T60 x 35mm 107-11 Impact Torx Bits - T30, T40, T45, T50, T55, T60 x 80mm 168H Ballpoint Hex Screwdriver 2.5mm