1.MATERIAL:Computer Replacement Screw is made of high-impact Brass and Nickeler Plated material, with strong and not easy to wear,high strength and high hardness. Even if it is often in usage, it will not rust easily, and it is strong. Long life, no need for frequent replacement. 2.ORGANIZED STORAGE SOLUTION: The transparent storage box not only keeps all the screws neatly organized but also simplifies transportation. With compartments for each screw size, you can easily locate the right hardware for the job, streamlining your workflow and saving valuable time. 3.VERSATILE SCREW SET: This 330-piece computer screw set an extensive array of screws in various sizes, ensuring you have the right fit for any installation or maintenance task. From motherboards to cooling fans, monitors to hard disks, it covers all your computing needs. 4.MULTIFUNCTIONAL GE: Whether you're assembling a system or performing routine maintenance, this set is designed to handle a wide range of components. With screws suitable for motherboards, cooling fans, monitors, tablets, hard disks, and more, you'll always have the right hardware at hand.