Specifications High-concerned chemical:None Standard or Nonstandard:Nonstandard Model Number:100pcs Material:Metal Origin: China Shape:Flat Gasket 304 Stainless Steel Washers Our washers are made from premium 304 stainless steel, offering superior corrosion resistance, durability, and rust resistance for both indoor and outdoor applications, including automotive, construction, and plumbing. Comprehensive Assortment Kit (M3-M12) This 100-piece washers assortment kit includes 12 different sizes ranging from M3 to M12, providing a complete solution for various uses like washers, flat washers, metal washers for screws and bolts in both home and industrial settings. Precision Flat Washers for Optimal Load Distribution These flat washers are engineered for precise load distribution, preventing material damage and ensuring a smooth surface.Suitable for screws, bolts, and hardware, they work well for DIY projects, automotive, and electrical connections. Heavy-Duty and Reliable PerformanceDesigned for high-stress conditions, these large and small washers provide excellent vibration dampening and stability.Widely used in mechanical jobs, industrial, and automotive applications, they ensure long-lasting, reliable performance. Organized Storage for Easy AccessThe washer set comes in a durable, transparent storage box with labeled compartments, keeping your small and large washers neatly organized and preventing mix-ups. Convenient for quick access during home improvement or industrial use projects.