... ,the special sizes can produced according to your requirement. CommodityStainless Steel Double Ferrule Tube FittingsMaterial316/316LOD.:Φ3, Φ4, Φ6, Φ8, Φ10, Φ12 ... control, Instrumentation, Hydraulic & Pneumatic applications in Chemicals & Petrochemicals, Fertilizers, Offshore, Power Plants, Automobile and other process industries.Packingnylon bag + paper box ...