• Complete 980-piece set including screws, nuts, and washers in sizes M3, M4, M5, and M6. • Made of high-quality grade 10.9 carbon steel with zinc-plated finish for excellent resistance and hardness. • Round head screws with internal hexagon (Allen) designed to prevent deformation and loosening. • Complies with DIN 933 standard, ensuring consistent dimensions and a precise, smooth metric thread. • Includes a sturdy, compartmentalized storage box with size labels to keep pieces organized. • Versatile application in construction, furniture, automotive industry, equipment maintenance, and DIY projects.