Specification Item Type: Screwdriver Set Material: Chrome Vanadium Alloy Steel + Aluminum Alloy Specifications: 59 in 1 Flexible bit holder: approx. 130mm / 5.1in. Socket: Approx. 45 x 6.35mm / 1.8 x 0.3in Grip Size: Approx. 97 x 18mm / 3.8 x 0.7in Size: approx. 166 x 110 x 41mm / 6.5 x 4.3 x 1.6in Screwdriver Bit: Cross (1.0, 1.2, 1.5, 2.0, 2.5, 3.5) Slots (1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0) Star (T1, T2, T3, T4, T5, T6, T7, T9, T15, T20) Hex Socket (H0.7, H0.9, H1.3, H1.5, H2.0, H2.5, H3.0, H4.0) U-Type (2.6, 3.0) Peak on top (0.8) Triangle (2.0, 2.3) Transverse Thickness (2.5) Socket Model: (PH2, M2.5, M3.0, M3.5, M4.0, M4.5, M5.0, M5.5) Y Type (0.6, 2.0, 2.5) Hex (T8, T10) Square (S0, S1, S2) Pentagon (0.8, 1.2, 1.5) Package list 1 x handle 1 x Flexible Bit Holder 1 x Base. 56 x bits.