1),High quality 2),Competitive price 3),Investment casting for the body 4),Easy installation and operation quick coupling (quick cam lock,fast coupling,connector) 1),Size:1/2"-8"2),Material:stainless steel 304,316(CF8,CF8M)3),Pressure:1.6MPA4),Connection:leather hose5),Investment casting for the bodystainless steel quick release coupling,cam lock coupling,quick coupling