Seven 1/4" Hex Insert Bits with 1/4" Drive Bit Holder. T-10 Through T-40. Fits tamper-resistant Torx® fasteners found on radio mountings, exterior mirrors, carburetors and other applications. 26010 T-10 1/4" drive 26020 T-15 1/4" drive 26030 T-20 1/4" drive 26040 T-25 1/4" drive 26050 T-27 1/4" drive 26060 T-30 1/4" drive 26070 T-40 1/4" drive 26080 Bit Holder