LDR 507 F3120 Nylon Reinforced Faucet Supply Line, 3/8-Inch COMP X 1/2-Inch FIP X 20-Inch Faucet Supply Line 3/8-Inch COMP X 1/2-Inch FIP X 20-Inch Nylon reinforced Used to connect kitchen and lavatory faucet to shut-off valve Limited Lifetime Warranty