Durable 600-Piece Black Nylon Washer Kit ? 8 Sizes for Versatile Applications Comprehensive Size Variety: This kit includes 600 black nylon flat washers in 8 sizes?M2, M2.5, M3, M4, M5, M6, M8, and M10?covering a range of needs in automotive, electrical, and household applications. Premium Nylon Material: Made from high-quality nylon, these washers offer corrosion resistance, high hardness, and temperature resistance, ensuring durability and reliability in various environments. They?re also rust-resistant and eco-friendly, making them suitable for both indoor and outdoor use. Functional Design: Nylon flat washers help reduce friction between fasteners, prevent leakage, and distribute pressure evenly to avoid loosening. Their robust design offers long-lasting wear resistance, making them ideal for heavy-duty projects. Organized Storage Solution: The set comes in a transparent, labeled storage case with individual compartments for each size, making it easy to locate and access the washer you need for any project. Versatile Applications: Perfect for automotive, electrical, and household appliances, these washers provide stability and protection in connections, ensuring your fasteners stay secure. This kit is a practical choice for professionals and DIY enthusiasts seeking reliable nylon washers for multiple uses.