High qualityThe Vastar screwdriver set is made of S2 steel (HRC60-62), which is more durable than CRV steel. Even if the screwdriver is used for two years, it will not be damaged. Professional interchangeable magnetic screwdriver set: This screwdriver set contains the most common 51 screwdriver heads - -1.2 -1.5 -2.0 -2.5 -3.0 -4.0, PH000 (1.2) PH000 (1.5 ) PH00 (2.0) 2.5 PH0 (3.0) PH1 (4.0), Y000 (0.6) Y00 (1.5) Y00 (2.0), Y00 (2.5), Y1 (3.0), Y4.0, P2 (0.8), P5 (1.2), P6 (1.5), T2, T3, T4, T5, T6H, T7H, T8H, T9H, T10H, T15H , T20H, 2.0、2.3, H0.9、H1.3、H1.5、H2.0、H2.5、H3.0、H4.0、mid2.0,PH2, M2.5、M3.0、M3 .5、M4.0、M4.5、M5.0、M5.5 in. Accessories: The attached flexible shaft extension allows you to use a more flexible screwdriver for repair work in tight spaces. Various presser feet, ESD-15 tweezers can improve your work efficiency. Wide application: This screwdriver set contains the most commonly used screwdriver heads. They are suitable for various electronic products, laptops, glasses,