... sale metal extendable tubeMaterialStainless steel,Website:http://www.bending-tube.com, aluminumSurface finishPlating, polishing, electropolishing,temperingprocessExtrusion, rolling, ... are available to all our customers, with fabricating model: including round tubes,oval tubes,square tubes ... small diameter tubes, we dedicated small micro tube with 15yeasrs. The telescopic pole is small diameter ...