flexible hose 1.outer Size: 16mm 2.inner size:6.0mm 3.length :400 mm 4.Materials: carbon steel 5.Surface: plating zinc, nickel, chrome, bronze, plating black and others 6.Applications: reading lamp, earth lamp, medical equipment, USB lamp, USB, bracket , hose for lamp accessorizes series,etc. We are a professional electronic parts OEM factory, provide metal parts manufacturing Services.We can produce gooseneck tube for customers according to the design or ODM. The gooseneck tube outer diameter can be at 4.0 22.0mm .Its bend ability from softer to middle, harder. The gooseneck tube can support weight and keep position as user's willing, the user can change and keep the gooseneck face to any direction by user's hand. We provide surface disposal according to client's request, for example, plating silver, zincification, chromeplate, plate nickel, electrophoresis dark,color etc. and we can coat PVC in black,grey,white or other color according to client's request. If client need, we would be happy to fixed the screw fittings at the gooseneck ends. The gooseneck tube can produced as Rohs compliant, we can provide the SGS report with the gooseneck if necessary.