Building or repairing brake systems? This 100-foot roll of 3/8\ DOT-approved nylon tubing meets SAE J844 standards for brake applications. The double-wall reinforced construction handles high pressure without expanding, ensuring firm brake pedal feel. Perfect for custom vehicles, trailers, or replacing old lines. From SMC with a 6-month warranty, it's quality tubing that won't let you down. Much easier to route than rigid steel lines while still providing reliable performance. Whether you're a professional mechanic or serious DIYer working on brakes, this tubing gives you enough length for multiple projects with material to spare. Safety first with proper brake components!