Product Description: These nuts are crafted from 100% 304 stainless steel, offering superior strength and exceptional corrosion resistance. Ideal for extreme conditions - including high temperatures, freezing weather, and humid environments - they outperform standard nuts with excellent rust and oxidation resistance for long-lasting durability. Built for strength and durability, these stainless steel hex nuts outperform regular steel with superior rust resistance, making them ideal for both indoor and outdoor applications. Eco-friendly, non-toxic, and pollution-free for worry-free use. M5 100pcs High Quality 304 Stainless Steel M5 Hex Nuts Kit. This versatile set of M5 hex nuts is perfect for a wide range of applications, from repairs to DIY projects. Whether you're replacing missing or damaged nuts or tackling a new project, these high-quality nuts provide a reliable and durable solution. Please contact us if you have any issues,I promise you will get a satisfactory answer.