... .Certificate:ISO9001:2008 Introduces basic :Germany type worm drive hose clamp1.Bandwidth:9mm or 12mm2.Material:Stainless steel or galvanized ... -12mm and above.Usage:Germany type screw band worm drive hose clamp widely applies in the vehicle, ship, construction, fire ... , the diesel engine, sprinkler irrigation machinery,mechanical equipment, the hose outlet gas and heating, is necessary for all kinds of ...