1. Material: ABS+S2 alloy steel 2. Size: about 20.5x10.5x2.5 cm/set 3. Weight: about 365 grams/set 4. Screwdriver hardness: HRC58-62 5. Scope of application: mobile phones, computers, toys, household appliances, etc. 6. Features: multi-function can accommodate enlarged handles, ABS plastic material, inside the handle can accommodate batch heads or screws, easy to carry, non-slip in the middle, labor-saving and convenient to use, removable head, magnetic batch head, complete specifications, applicable Wide range of sex, strong and durable material 7. Contains: U-shaped bit x2 (2.6/3.0); Five-pointed star bit x3 (0.8/1.2/1.5); Hexagonal plum bit x11 (T2/T3/T4/T5/T6/T7/T8/T9/ T10/T15/T20); Hexagonal bits x11 (0.7/0.9/1.3/1.5/2.0/2.5/3.0/4.0/4.5/5.0/6.0mm); Cross bits x5 (1.0/1.5/2.0/2.5 /3.5mm); Single-word bits x7 (1.0/1.5/2.0/2.5/3.0/3.5/4.0mm); Y-shaped bits x3 (0.6/2.0/2.5); Quadrilateral bits x3 (S0/S1/S2 ); Triangular bit x2 (2.0/3.0); Round screwdriver bit x1 (0.8); Socket x7 (M2.5/M3.0/M3.5/M4.0/M4.5/M5/M5. 5); anti-cross screwdriver x1 (PH2)