1/2" & 3/4", Brass, Solder Sillcock, Notched Flange For Stable Installation, 3/4" Hose Thread Outlet, Solder Ends Comply With ANSI B16.18, Hose Threads Comply With ANSI B1.20.7, 3/4" C x C Copper Coupling Required For Connection To 3/4" Solder Connection.