The RIV 5051 Ball Valve F/F (Professional series) is a full bore, extra-lock brass tamperproof butterfly handle valve. It is designed to provide reliable and secure shut-off and control of water, gas, and other fluids. The valve is constructed with a solid brass body and a stainless steel stem for superior strength and durability. The extra-lock feature ensures that the valve is securely locked in place, preventing tampering and unauthorized access. The ergonomic butterfly handle is easy to operate and provides precise control of the flow rate. The valve is suitable for both residential and commercial applications.