Screwdriver Sets Tip Finish Black Oxide T10 T15 T20 T25 T27 T30 T40 T45 T8 Torx Cushion Number of Pieces 9 No ESD Safe No Non-Sparking No Measurement Type Torx Includes T10 x 3 1/4 in T15 x 3 1/4 in T20 x 3 1/4 in T25 x 3 1/4 in T27 x 4 in T30 x 4 in T40 x 6 in T45 x 6 in Torx(R) T8 x 3 1/4 in Corrosion Resistant Yes ASME B107.600 Tether Ready TORX(R) Range of Shank Lengths 3 1/4 in to 6 in