33-piece, consisting of: Torx Bits T10, T15, T20, T25, T27, T30, T40, Square Bits 3, 4, 5, 6, Slotted Bits 3, 5, 6, Cross Bits PH1, PH2, PH3, Pozi Bits PZ1, PZ2, PZ3, S1, S2, S3