This 84-piece tool kit offers a wide range of precision bits for various applications. It includes slotted bits in sizes 3, 4, 5, 6, 7, 8, and 9mm (x2), Philips bits (PH0, PH1, PH2, PH3 x2), Pozidriv bits (PZ0, PZ1, PZ2, PZ3), and a selection of Torx bits (T8, T10, T15, T20, T25, T27, T30, T35, T40). Additionally, the kit provides security Torx bits (T8, T10, T15, T20, T25, T27, T30, T35, T40) and hex bits in both metric (1.5, 2, 2.5, 3, 4, 5, 6mm) and imperial sizes (1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, ¼). It also includes square bits (S0, S1, S2, S3), spanner bits (4, 6, 8, 10), tri-wing bits (Y1, Y2, Y3, Y4), and a variety of 50mm bits, including PH1, PH2, SL3, SL4, PZ1, PZ2, T10, and T15. The kit also features a 25mm socket adapter, 60mm bit extension, and a Y-type bit for added versatility. Key Features 84pc kit Slotted: 3, 4, 5, 6, 7, 8, 9mm X 2 Philips: PH0, PH1, PH2, PH3 X 2 Pozidriv: PZ0, PZ1, PZ2, PZ3 Torx: T8, T10, T15, T20, T25, T27, T30, T35, T40 Security Torx: T8, T10, T15, T20, T25, T27, T30, T35, T40 Hex: 1.5, 2, 2.5, 3, 4, 5, 6mm Hex: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, ¼ Square: S0, S1, S2, S3 Spanner: 4, 6, 8, 10 Tri-wing: Y1, Y2, Y3, Y4 1pc 50mm PH1 and PH2 1pc 50mm SL3 and SL4 1pc 50mm PZ1 and PZ2 1pc 50mm T10 and T15 1pc 25mm socket adapter 60mm bit extension Y-type bit