Enkay 3047-C 7-Piece 1"" Tamper Proof Torx Screw Bit Set T10 to T40 Includes SD-10, SD-15, SD-20, SD-25, SD-27, SD-30, SD-40 Also fits standard T10, T15, T20, T25, T27, T30, T40 Hardened, sandblasted chrome vanadiom tool steel