... Tube. Features; (1)304 Stainless steel welded tube. (2)Surface;400/600# or mirror polish,satin brush. (3)O,D 9.5mm ... ~153mm.2.Stainless steel square tube. (1)304 stainless steel square tube. (2 ... ,satin brush. (3)O,D 15*15mm~100*100mm. (4)O,D 10*20mm~95*45mm thin wall welded Stainless steel tube 38.1