• Exceptional flexibility for fast; easy installation • Wont kink or crease; even in the tightest of spaces • Heavy-duty brass hex nuts are easy to grip and nickel plated for durability • Exceeds all code requirements for flexible water connectors • 20 inch length • 3/8 inch comp x 7/8 inch ballcock >> 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."