1/2", 3000 psi female pipe thread hydraulic 1 way sleeve with ball valve coupler, 1/2" female body half with 1/2" female pipe thread, 12 gpm maximum, can be used for industrial, commercial & agricultural fluid applications for ease to connect/adapt existing hydraulic hose assemblies, ball style valve, 1 way sleeve design allows implement break away when the coupling is clamp mounted, s25-4 coupler.