- High-quality construction: This 30-piece solid copper sump plug washer set is designed for durability, featuring high temperature and corrosion resistance to ensure long-lasting performance. - Excellent conductivity: With superior electrical and thermal conductivity, these washers are ideal for various applications where reliable performance is essential. - Versatile applications: Perfect for use with oil drain plugs, as well as water, fuel, and hydraulic connections. These washers ensure a secure and leak-free seal, making them essential for any automotive or mechanical maintenance. - Size and compatibility: Each washer is crafted to fit standard sump plugs, providing a perfect match that prevents leaks and enhances the efficiency of your systems. - Why choose copper? Copper is renowned for its excellent thermal properties and resistance to wear, making these washers a superior choice compared to rubber or plastic alternatives. - Each set contains 30 washers, ensuring you have plenty on hand for multiple projects, making it a practical addition to your toolkit. These copper sump plug washers deliver optimal performance in demanding environments, making them an essential component for both professionals and DIY enthusiasts alike.