Male Coupling 1.Universal Crowfoot Couplings 2.size:1/4",3/8", ... camlock couplings (cam & groove quick couplings), guillemin coupling, Bauer type coupling, chicago coupling, Ground joint coupling, sandblast coupling, King combination nipple, DIN2817 safety clamp, T ... holes for safety locking pins.1,Universal Crowfoot Air Hose Coupling Type Available:EuropeanType,US Type2,Material: Carbon Steel (Zinc ...