HIGH QUALITY: These computer replacement screws are made of high quality carbon steel, black galvanized for excellent rust and oxidation resistance. Perfect for PC build hobbyists or professional technicians in PC assembly. | WIDE APPLICATION: The laptop screw kit can be used for repair or installation for Sony, DELL, Samsung, IBM, HP, Toshiba or any other computer with the same accessory size. | 800 PCS & 16 SIZES SCREWS: 50pcs M2*3mm, 50pcs M2*4mm, 50pcs M2*5mm, 50pcs M2*6mm, 50pcs M2*8mm, 50pcs M2*10mm, 50pcs M2.5*3mm, 50pcs M2.5*4mm, 50pcs M2.5*5mm, 50pcs M2.5*6mm, 50pcs M2.5*8mm, 50pcs M3*3mm, 50pcs M3*3mm, 50pcs M3*6mm, 50pcs M3*8mm, 50pcs M3*10mm. | STORAGE BOX & MARKER LABEL: Comes with a transparent box for easy storage. And the label affixed to the cover identifies the type of screw, ensuring that different types of screws can be easily found when servicing. | PACKAGE LIST: The package contains 800pcs laptop screws packed with a storage box. Sufficient quantity to meet your daily and work needs.