Premium Materials: These computer screws are crafted from high-quality iron, copper, and other metals, ensuring durability, corrosion resistance, and rust prevention. Ideal for securely installing computer cases, motherboards, hard drives, fans, and floppy disks. Easy to Use: The tough material keeps all screws secure and prevents breakage. They're precise replacements for damaged parts, ensuring a perfect fit. The standardized screws with Phillips heads are evenly spaced, easy to fasten, and won't slip. Easy Storage: All motherboard standoffs are packaged in a clear plastic box with separate compartments. Easy to store and prevent mix-ups, making them convenient to find and use. Helps you maintain and organize your PC build/upgrade. Wide Application: This assortment of PC screws is perfect for computer cases, power supplies, motherboards, hard drives, fans, and CD/DVD-ROM drives, and more. Package Includes: You'll receive a total of 330 motherboard screw sets, including PC case, power supply, motherboard, hard drive, fan, brass standoffs, and insulating washers – fulfilling your various computer maintenance needs.