Our 1/2" Brass Compression Unions 5 pack is the perfect choice for automotive enthusiasts that only want the highest level of quality. These brake line unions provide unmatched superior quality that can withstand even the harshest of road conditions. Our unions are carefully crafted from durable brass that is entirely resistant to the corrosive effects of salt, making them ideal for use on winter roads. Plus, you can use it with steel, copper nickel, copper coated steel, PVF-coated, and stainless steel lines. We stand behind the quality of our products and are proud to offer a lifetime warranty to all those who purchase our products from 4LifeTimelines. Invest in the quality and reliability of 4Lifetimel today!