BrassCraft® 1/2 in Nominal C Inlet x 3/8 in OD Compression Outlet Multi-Turn Angle Valve with 5 in C Extension Tube and Bell Escutcheon controls water flow to household plumbing fixtures - faucets, toilets, dishwashers, icemakers, washing machines and more. The angle valve is most often used where the water pipe enters the room from the wall. With a few turns of the valve handle, you are able to stop or start the flow of water leading to the plumbing fixture, allowing for maintenance and repair without shutting off. BrassCraft® Angle Supply Stop, Lead Free Multi-Turn, Series: CS40B, 1/2 in C x 3/8 in OD Compression, 125 psi, 1 Piece, Brass/Copper, Satin Nickel, Domestic