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