Features: brand new and high quality Made of high-quality carbon steel, these computer replacement screws are durable and reusable. It will fit almost all kinds of computer types and help you repair or remodel them efficiently.Perfect for repair laptop. You can get 500 pieces of 10 different types of laptop screws that are well made and packed. The low-key black color will hide them in the computer without being obtrusive. This premium laptop notebook screw assortment kit is perfect for many types of computer. Comes with a clear box for easy storage. And the label stuck to the lid will indicate the model of the screws, thus ensuring a convenient searching for different kinds of screws while repairing. The for cross self-tapping screws does not need to be used with the nuts Specifications: Item: Metric M2 M2.5 M3 Laptop Notebook Computer Screw.Assortment Kit Total: 500 Pieces 10 Types Material: Plastic M2 x 3 mm 50PCS Notebook Computer Screw M2 x 4mm 50PCS Notebook Computer Screw M2 x 6mm 50PCS Notebook Computer Screw M2 x 8mm 50PCS Notebook Computer Screw M2.5 x 4mm 50PCS Notebook Computer Screw M2.5 x 5mm 50PCS Notebook Computer Screw M2.5 x 6mm 50PCS Notebook Computer Screw M2.5 x 8mm 50PCS Notebook Computer Screw M3 x 4mm 50PCS Notebook Computer Screw M3 x 5mm 50PCS Notebook Computer Screw Package Includes: 500PCS x Screw Assortment Kit in a Plastic Box note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.