Includes 16 types of screws, nuts and washers Made from high-quality carbon steel for long-lasting use Organize in separate compartments for easy access and portability This 1080-piece screws, nuts, and washers kit includes a variety of commonly used sizes of screws, nuts, and washers, suitable for various daily repairs and projects. All screws, nuts, and washers are made from high-quality carbon steel, with smooth edges, ensuring excellent corrosion resistance, rust resistance, and oxidation resistance for long-lasting use. The threads on each screw are smooth, clean, and precise, and the compact thread design effectively prevents deformation, ensuring that they do not slip or get damaged during use. All components are stored in a divided plastic storage box, making them easy to store, carry, and access, perfect for replacing lost or damaged screws. The kit includes 16 different screw sizes (M3, M4, M5, M6), along with 4 types of nuts and washers, covering sizes such as M36 mm, M310 mm, M314 mm, M320 mm, M410 mm, M420 mm, M425 mm, M430 mm, M520 mm, M530 mm, M540 mm, M610 mm, M620 mm, M630 mm, and M6 40 mm. With a total weight of 900g and 1080-pieces, it meets various repair needs. It is widely applicable in machinery, furniture, automotive, motorcycle repairs, environmental protection equipment, 3D printing, electronic products, ship assembly, and DIY projects.