Easy quarter turn on or off operation regulates water flow from a trickle to wide open. Compact, low-lead compliant, operates easily for long life. Large flow rate for use as any general-purpose hose connection outlet for external water service. 60 percent copper alloy brass construction with chrome-plated brass ball, Teflon seats and rust-resistant handle. 125 PSI max working pressure. 3/4 inch hose thread outlet. IAPMO NSF 61.9 Approved, complies to ASME A112.18.1. Pipe threads comply with ANSI B1.20.1, hose threads comply with ANSI B1.20.7.