This versatile set includes rivet heads and nut in sizes from 3mm to 12mm, produced of high strength carbon steel for outstanding durability and erosion resistance, ensuring long lasting in demanding applications Ideal for enthusiasts, professional mechanics, and factory workers seeking stable fastening solution, this tool set caters to users who require sturdy and efficient connection in their projects Designed for quick and easy installation without complex tools, this 77 piece fastener set features a compact storage solution that enhances work efficiency and portability for seamless on the go use Perfect for automotive repairs, furniture assembly, and construction site , this set effectively handles various riveting challenges, providing a practical solution for securing components in environments A must have addition to any toolkit, this comprehensive carbon steel fastener collection delivers robust and versatility, making it indispensable for both home workshops and industrial settings, Manufacturer: JUYAXIN