Upgrade your brake hydraulic line unions with the top-quality 4Lifetime 3/16" 3/8-24 Inverted Brass Brake Line Union 10ct. This essential component is perfect for joining or extending 3/16" Domestic brake lines, catering to both new installations and the repair of older lines. It's designed to accommodate bubble and double flares, simplifying brake line fittings and ensuring fast and secure connections while preventing leaks. Crafted from superior-quality brass, these inverted union fittings are not only durable but also plated to withstand the corrosive effects of winter roads, making them reliable even in salt-laden environments. Available in a convenient pack of 10 units, these brake line unions boast precise dimensions measuring 7 x 4 x 0.5 inches and weigh a mere 0.2 pounds, ensuring easy handling and installation. With a thread diameter of 3/8-24 inches, a thread pitch of 24 p, and an SAE/Inverted thread type, they require a ⅝” Metric wrench for installation. These specifications make them compatible with both SAE and ISO standards, guaranteeing a perfect fit for various applications. When used for brake hydraulic line unions, these unions tighten securely without any issues like stripping or leaking. They excel at sealing rusted brake line segments, providing a tight and dependable seal. Thanks to their clean threads and edges, you can count on a leak-proof connection, enhancing the overall safety and performance of your brake system. Rest assured that 4Lifetime 3/16" 3/8-24 Inverted Brass Brake Line Union 10ct is designed to last and even comes with a lifetime warranty for your peace of mind.