The 7/8" Ballcock Coupling Nut is a durable solid brass component designed for reliable plumbing connections. This coupling nut is essential for securing ballcock assemblies in toilet tanks, ensuring a leak-free operation. Made from high-quality brass, it offers excellent corrosion resistance and longevity. The standard size of 7/8" fits most ballcock systems, making it a versatile choice for both residential and commercial applications. Its robust construction meets industry standards, providing peace of mind for plumbing professionals and DIY enthusiasts alike.