Fluidmaster toilet water supply connectors are built to last. Made of a tough polymer core covered with braided stainless steel wire, these connectors exceed every code requirement in the book for durability. Fluidmaster offers a wide variety of types and sizes, perfect for your home improvement efforts. Featuring easy grip, durable brass hex nuts and exceptional flexibility for fast and easy installation. A highly flexible toilet connector that wont kink or crease in tight spaces Easy to install, heavy duty nickel plated brass hex nut for easy grip Stainless ferrules are extra-long with added crimps for more security