The Fluidmaster B1T12 Braided Stainless Steel Toilet Connector is a top choice to replace and upgrade your toilet supply line. Showcasing a 12 in. length and fitting 3/8 in. Compression x 7/8 in. Ballcock fittings. Fluidmaster toilet water supply connectors are built to last. Made of a tough polymer core covered with braided stainless steel wire, these connectors come with a 5-year warranty. Featuring exceptional flexibility for fast and easy installation, with easy to grip and durable nickel-plated brass hex nuts, and extra-long and crimped stainless ferrules. They won't kink or crease even in tight spaces. Lead free and meeting all code requirements for flexible water connectors.