The Fluidmaster B8F20 Braided Stainless Steel Faucet Connector is a top choice to replace and upgrade your faucet supply line. Showcasing a 20 inch length and fitting 3/8 inch Comp x 3/8 inch OD Copper Tubing Coupling fittings. Fluidmaster faucet 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.