31 pieces, consisting of: Torx bits T4, T5, T6, T7, T8, T9, T10, T15, square bits 0.9, 1.3, 1.5, 2, 2.5, 3, 3.5, 4, slot bits 1, 1.5, 2. 3, cross bits PH000, PH00, PH0, PH1, Pozi bit 0.8, triangle bit 2.3, tri-wing bit 1, 2, U form bit 2.6