[Wide Range of Applications]: 15 most common sizes, suitable for all general laptops. Such as B. LG and so on. [BOX SIZE]: approx. 178 x 105 x 23 mm, it is very convenient for you to arrange the screws, it looks neat and tidy. [Screw Material]: Alloy steel, portable screw kit has excellent rust-proof performance, can be used for a long time. [Computer Repair]: A set of different screws used for laptop repair, it is very convenient for you to repair the laptop. Category: Combination screws Head type: Round head Slot type: Function mode: Hand screw/screwdriver Thread specifications: M2 x 3 (small), M2 x 3 (), M2 x 4, M2 x 6, M2 x 8, M2 x 10, M2.5 x 3, M2.5 x 4, M2.5 x 5, M2.5 x 6, M2.5 x 8, M2.5 x 10, M2.5 x 12, M3 x 3, M3 x 4 (30 pieces of each size) Thread tolerance: Standard Surface treatment: Black oxide Material: Alloy steel Color: Black Package contents: 60 x M2x3 screws (small) 60 x M2x3 screws () 60 x M2x4 screws 60 x M2x6 screws 60 x M2x8 screws 60 x M2x10 screws 60 x M2.5x3 screws 60 x M2.5x4 screws 60 x M2.5x5 screws 60 x M2.5x6 screws 60 x M2.5x8 screws 60 x M2.5x10 screws 60 x M2.5x12 screws 60 x M3x3 screws 60 x M3x4 screws Only the above package contents, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.