... sale serviceSpecification & display: Coupling Product SeriesIncluding:1,John Morris Type Hose Coupling 2,China Hose Coupling Specification A(mm)H ... Coupling 4,Storz Type Hose Coupling 5,USA Pin Type Hose Coupling 6,Swedish Sms Type Hose Coupling 7,Norway Type Hose Coupling 8 ... ,Nakajima Type Hose Coupling hose ...