- Complete kit of 320 Glarks G-3120 metric rivet nuts, covering sizes M3, M4, M5, M6, M8, M10, and M12 - Made of carbon steel with black zinc coating, offering high hardness and corrosion resistance - Withstand high temperatures and prevent rust, ensuring durability and long service life - Flat head design and internal threading for secure and efficient fastening in different materials - Includes a sturdy plastic storage box, making transport and organization easy - Easy installation, suitable for both professionals and DIY enthusiasts - Versatile application in assembly of mechanical and industrial products: automobiles, railways, elevators, furniture, decoration, and more - Compatible with metal plates, pipes, and other structural elements - Practical and complete solution for hardware and industrial maintenance projects