Solid brass 1/2 in. of outside diameter straight supply line for deck mounted tub fills. Designed for 4 in. floor rough-in. 1/2 in. and 3/4 in. compression lock nuts included.Premier straight supply line for claw foot or elegant tubs. 2 pairs of compression nuts included for installation on 1/2 in. or 3/4 in. fittings on faucet. Heavy 1/2 in. I.D. cast brass floor flange included. 1/2 in. O.D. supply.