... typeMaterial:Carbon steelProduct DescriptionSpecification and size: Universal US hose end: Size: 1/4", 3/8", 1/2", 3/4", 1"Universal ... hose end 4-lug: Size: 1-1/4", 1-1/2", 2"4 Lug Universal US hose end 4-lug: Size: 1 ... -1/4", 1-1/2", 2"Universal EU hose end: Size: 1/4", 3/8", 1 ... /2", 3/4, 1"Universal EU female end: Size: 1/4", 3/8", 1/2", 3/4", 1" air hose coupling(European and U ...