... 19mm,22mm,25mm,28mm,32mm Surface treatment: spray-painting,electroplating aluminum tubeMaterial:aluminum alloyDiameter:19mm,22mm,25mm,28mm ... ,32mmSurface treatment: spray-painting, electroplatingAluminum tube, aluminum round tube, industrial aluminum tube1) ... ,0.7mm,0.8mm,0.9mm,1.0mm,1.5mm5) Color: Spray-painting: white, silver, grey, pink, blue, green, etc ...