The copper washer measuring 10x16x1 mm is an essential component of the Citroën 2CV's braking system. It ensures efficient sealing in hydraulic lines, preventing leakage and guaranteeing optimal braking performance. Made from copper, it offers excellent heat conductivity and corrosion resistance. This part is crucial for the safety and reliability of the iconic Citroën 2CV, known for its durable quality and precise fit within the braking system.