BrassCraft® Faucet Supply Kit includes everything that you need to install the hot or cold water to your faucet. Components include - (1) 1/2 in Nominal Compression inlet x 3/8 in OD Compression outlet multi-turn angle water shut-off valve, (1) 3/8 in OD x 12 in length riser and (1) shallow flange. An angle valve is most often used when the water pipe enters the room from the wall. Multi-turn operation means water flow control with only a few turns of the handle. Allows you to maintain, repair or replace your fixture without shutting off the water to the entire home. All components are Polished chrome for a clean professional appearance.