Computer Replacement Screws Kit 24 size item total 1138 pcs perfect to assemble personal computer.Perfect for Notebook Computer, PC case, power supply, motherboard, hard drives, fan and floppy/CD-ROM/DVD-ROM drives fixed installation, Also commonly used for DIY parts, small home appliances installation, they are placed in a box, easy to find.The repair screws are made of stainless steel, black zinc plated and iron nickel plated, with good fixing performance and not easy to rust. Chassis Hand Twist Screws Main Board Fixed Screws Conventional Chassis Fans Retaining Screws Hard Drive Screws These Computer screw set can be used to build, repair, and service your computer if problems arise outside of your computer hardware. Guaranteed to fit 99% of all PC building applications. Our kit is designed to fasten all components of a computer: Hard Drives, Cooling Fans, Chassis/Cases, Main Boards, Graphics Cards, Power Supply, DVD/Blu-ray Drives, everything inside! Whether you are a professional computer repairman or a first-time builder/fixer these screws are made to fit.