... Material:Aluninum, Brass, Cast Iron, Nylon Size:3/4", 1-1/4", 1-1/2" Nylon quick couplingTypes:Female adaptor-threadedMaterial:Aluninum, Brass ... , Cast Iron, NylonSize:3/4", 1-1/4", 1-1/2",We mainly ... clamp, double bolt clamp, whipcheck safety cable, washdown gun, etc. Nylon Quick Coupling