Nylon Quick Coupling Material:Aluninum, Brass, Cast Iron, Nylon Size:3/4", 1-1/4", 1-1/2" Nylon quick couplingTypes:Female adaptor-threadedMaterial ... /4", 1-1/4", 1-1/2",We mainly supply camlock couplings (cam & groove quick couplings), guillemin coupling, Bauer type coupling, Ground joint coupling, sandblast coupling ... bolt clamp, whipcheck safety cable, washdown gun, etc. Nylon Quick Coupling