... /4", 1-1/4", 1-1/2" Nylon quick coupling Types:Female adaptor-threaded Material:Aluninum, Brass, Cast Iron, Nylon Size:3 ... camlock couplings (cam & groove quick couplings), guillemin coupling, Bauer type coupling, Ground joint coupling, sandblast coupling, King combination nipple, DIN2817 safety clamp, T-bolt ...