Double wires hose clamp is easy to be fixed,.Galvanized steel and stainless steel are both available for us. •Double wires hose clamp •Regarding the material, it can be divided into the following three types: W1-- all of the parts are galvanized steel with yellow or white zinc color; W4-- all of the parts are 300ss stainless steel; W5-- all of the parts are 316ss stainless steel.