• High-quality material: Made of high-strength carbon steel, durability, and corrosion resistance. • Easy installation: Clear and uniform threads, with nylon washers for better fixation and an efficient installation process. • Practical storage: Come in storage boxes with labels and dividers for clear and organized identification. • Wide compatibility: Suitable for most racks and cabinets with square holes, ideal for installing server rack hardware. • Complete set: Includes 55 mounting screws (M6 x 20 mm) and 55 square cage nuts, enough for various usage and replacement needs. • Measurements: M6x20mm size screws and nuts, with a total of 110 pieces.