45 pieces, consisting of: Torx bits T3, T4, T5, T6, T7, T8, T9, T10, T15, T20, key bits 2.5, 3, 3.5, 4, 4.5, 5, 5.5, hexagonal bits 0.9, 1.3, 1.5, 2, 2.5, 3. 4, slot bits 1, 1.5, 2.2.5, 3.3.5, 4, cross bits 1.5, 2.2, 3.5.5, five-star bits 0.8, 1.2, triangular bit 3, U-type bit 2.6, Y-type Bit 2, round bit 0.8