... offer, best prices and good quality Different choices: round /rectangular /square pipes Specifications:1) Round pipes-Outside diameter (unit: mm)8,9.5,11 ... ×48,50×50,60×60,70×70,80×803) Rectangular pipes: Outside dimensions (mm)20×10,23×11,24×12,25 ... :Within 25 days upon the receipt of deposit. stainless steel pipes,staircase round pipes,rectangular pipes,square pipes