The Inline Tube Copper Nickel Brake Fuel Line Tubing Kit (Part Number: CN5) is a high-quality, rust-resistant solution for your braking needs. Made in the United States, this 5/16 OD, 25 ft coil roll of tubing is designed for use in various locations on your vehicle, such as the rear, left, front, or right. The copper nickel material ensures durability and resistance to corrosion, providing a reliable and efficient braking system for your car or truck. Remember to follow the California Prop 65 Warning regarding potential chemical exposure during installation.