The Copper Washer for Metric Applications from Fittings Unlimited Inc is essential for ensuring leak-proof seals in hydraulic and plumbing systems. Designed for metric fittings, this washer provides excellent thermal and electrical conductivity, making it ideal for various applications. Its durable copper construction ensures resistance to corrosion and wear, providing a long-lasting solution. This washer meets industry standards, ensuring reliability and safety in your installations. Use it to enhance the performance of your fittings and prevent leaks effectively.