... ", 1"male adaptor, female adaptor, hose end without/with collarUS type and Euro typeMaterial:Carbon steelProduct DescriptionSpecification and size: Universal US ... ", 3/8", 1/2", 3/4", 1"4 Lug Universal US 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 ... ", 3/4", 1" air hose coupling(European and U.S.Type)