U Shape Circular BoxU Shape Circular Box Outer diameter:21.3- ... ) O.D: 20,25,32,42,48,60mm Thickness: 1.2-3.25mm Length: 3.05-3.75meter FOB Price: USD ... ToleranceOutside Diameter:20,25,32,42,48,60mmWall Thickness:1.2-3.25mm+/-1%+/-5%Length3.05-3.75meterBrand NameYi Li ...