Features: 61 in 1 screwdriver set, professional maintenance tool, meets your different needs of maintenance. Screwdrivers are made of high hardness CRV/S2 material, 60HRC hardness, practical and reliable. Commonly used in precision work which is serviced electronic devices including laptops, glasses, game consoles, camera, suitable for iPhone 8, iPhone X, etc. Pocket-sized: lightweight and compact design. Portable and easy to carry screwdriver accessories. Accessories: Sockets: M2.5 M3 M3.5 M4 M4.5 M5 S-2 Brown bits H4*28mm: Hex: H0.9 H1.3 H1.5 H2.0 H2.5 H3.0 H3.5 H4.0 Torx: T3 T4 T5 T6 T7 T8 T9 T10 T15 T20 Tri-wing: Y2.0 Y3.0 Triangle: 2.3 U-shaped: U2.6 Flat-head (Slotted): 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Square: SQ0 SQ1 SQ2 Phillips: 1.0 1.5 2.0 2.5 3.5 J000 J00 J0 J1 Pentable(star): 0.8 1.2 1.5 2.0 Chrome-vanadium steel bits: Hex: H4.5 H5.0 H6.0 Tri-wing: Y0.8 Torx: T2