Hose Coupling Material:Aluninum, Brass, Cast Iron, Nylon Size:3/4",1-1/4",1-1/2" Hose CouplingTypes:Female adaptor-threadedMaterial:Aluninum ... /4", 1-1/2",We mainly supply camlock couplings (cam & groove quick couplings), guillemin coupling, Bauer type coupling, Ground joint coupling, sandblast coupling, King combination ...