The Copper Washer for Metric from Fittings Unlimited Inc is an essential component for ensuring leak-proof seals in various applications. Made from high-quality copper, this washer provides excellent thermal and electrical conductivity, making it ideal for use in hydraulic and pneumatic systems. Its design allows for easy installation and compatibility with standard metric fittings. This washer is resistant to corrosion and wear, ensuring long-lasting performance. It meets industry standards, making it a reliable choice for professionals seeking quality sealing solutions.