The ProLine Series 1/2 in. x 1/2 in. Brass Gas FPT x FPT Ball Valve is safe for use with LP gas, natural gas, oils and traditional plumbing uses. This valve is built from forged brass in and is built with a one-piece body which creates leak resistance and long valve life which adds to the quality flow control.The yellow flat head handle calls out this valve is part of a gas line and allows for secure operation and prevents tampering.