Comprehensive Set: 360 pieces of 304 stainless steel flat washers in 8 commonly used metric sizes - M2, M2.5, M3, M4, M5, M6, M8, and M10 - to meet your different needs. Comes with a portable storage box for easy access and organization Material: Made of 304 stainless steel with high-hardness, anti-rust galvanized surface finish for a long-lasting service life, convenient for daily work needs Multiple Function: The flat washer can effectively spread the load of the fastener head by increasing the contact area and protecting parts from damage. Additionally, they can diminish friction, prevent leakage, isolate, prevent loosening, and more Easy Installation: According to diverse requirements, choose the washers of the appropriate size and assemble the washers onto the bolt to tighten the assembly. It can also be disassembled and reused Versatile Usage: Suitable for industrial, shop, decks, and fence buildings, household and commercial appliances, electrical connections, home repair, automotive repair, machine appliances, marine, and other vehicle uses This comprehensive assortment kit from LEONTOOL offers a versatile selection of 304 stainless steel flat washers for all your hardware needs. With 360 pieces spanning 8 metric sizes - M2, M2.5, M3, M4, M5, M6, M8, and M10 - you'll have the perfect fender washer for screws and bolts in a wide range of applications, both at home and in industrial settings. Crafted from high-quality stainless steel, these washers are anti-rust ensuring long-lasting performance. Whether you're tackling DIY projects, automotive repairs, or industrial maintenance, this hardware washer set has you covered. Conveniently organised for easy identification and access, it's an essential addition to any toolbox or workshop. With its comprehensive range and sturdy construction, this assortment kit offers exceptional value for money, making it an excellent choice for professionals and hobbyists alike.