Features: [High Quality]: The assortment of washers is made of durable nylon, good toughness, wear resistance, insulation, and environmentally friendly materials. These are lighter unlike metal washers. [Planned Use]: Practical washers for screw fasteners that are sensitive to scratches, which work with many screw types, flat washers are mainly used to reduce pressure and reduce friction. [Available in Many Different Sizes]: Compact plastic with 520 washers was delivered. From 2 to 10 mm, all included. The flat washers of all sizes are pre-classified for ease of identification and to prevent loss. [Versatile Waterproofing Ring]: Plastic pieces perfect for DIY enthusiasts, motorcycles, model building, and amateurs tinkering with their train or anything else. [ : A total of 520 pieces of plastic washers, offered in 8 different types: 100 x m2; 100xm2.5; 100xm3; 50xm4; 50xm5; 50 x M6; 50 x m8; 20 x M10, to meet your different needs. High Quality: all products are in resistant nylon, corrosion and wear resistant. With rings to increase the contact area, reduce and the screws. Perfect for electrical connections to household and commercial appliances, automotive and marine applications. Pre-classified for quick identification and loss protection. Very practical to use. Easy to install and durable to use, 8 popular sizes including the most common and common sizes -M2.M2.5 M6 M8 M10, various sizes, for everything you need.