Aprince Solid Brass Shut Off /Bidet Control Valve with Short Switch for Shower Head / Handheld Shower / Garden Hose Adjustable (Control Valve C) Design Specifically for Shut-off Control Valve, Save Water Valve, or Pressure Reducing Valve. Simple to install and is simple to use, fits most shower heads and shower arms Brass Body & Handle : Solid Brass Construction, Handle 1/4-turn easy operation, Shut off water supply completely Total Length: 1.57-inch. Connection Size: 1/2 -Inch IPS, Straight Threads Made of high quality with the premium brass,brushed nickel style, build to resist scratches and corrosions. Rigorously tested to ensure quality performance Installed between the shower arm and the shower head to control the flow of water,can also be used with bidet sprayer,adds about an inch to shower arm length