Laptop screw size: M2 x 2/3/4/5/6/8/10, M2.5 x 4/5/6/8, M3 x 4/5/6/8 steel alloy, zinc plated, black, flat head, durable design. Suitable for all universal laptops. Such as Gateway LG etc. The set includes: 18 types of commonly used in notebook computer screws, very convenient to repair the laptop. High quality laptop screws with screwdriver and tweezers, 355 pcs laptop screw set. Practical and convenient:For repairing universal laptops, PCs, etc. All items are packed in a plastic case and easy to store for next use. Pitch: M2M2.5M3 Color: transparent Material: ABS Package Contents: 355 x screw 1 x tweezers 1 x screwdriver Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.