... of mechanical device for oil and so on Double Wire Hose ClampMaterial:stainless steel and galvanized ironuse best 65mn steel, ... best priceyour first choice all sizes Pipe clamp,duct fastenerSpecification as customers requireDouble wire Hose clamps are mainly used in automobiles, ... on each kind of mechanical device for oil,gas,hydraulic hose connector,various types of rubber tube interface must join ...