Sturdy and Durable: Our 10-pack angle stop valves are made of lead-free brass, offering excellent rust and corrosion resistance. Its surface is treated with a chrome-plated finish, ensuring long-lasting use without rusting. Connection Size: Inlet Connection: 1/2' Nominal Compression (5/8' OD); Outlet Connection: 3/8' OD Compression. Our water shut off valves can be connected to copper pipes, PEX pipes, CPVC pipes, and PE-RT pipes. Good Sealing Performance: The 1/4 turn angle shutoff valve is built with PTFE seal, ensuring a tight connection with the water pipe, resisting cracking, and preventing water leakage. Easy to Install: Featuring a compression installation type, the angle stop valves allow for easy connection with the water pipe - simply tighten the screws to secure the connection. Wide Applications: Our water shutoff valves enable you to easily control and shut off water flow