The Homewerks 1/2 in. Nominal Compression x 1/2 in. O.D. Compression Multi-Turn Angle Shut-Off Valve controls water flow to a plumbing fixture. It is used where the water pipe enters the room to allow for easy shut-off of water flow to the end fixture without having to turn water off to the entire home. Brass construction is durable and corrosion resistant. Bring quality and efficiency to your project with this angle shut off valve from Homewerks