Our spec include All-Shape Tube And Pipe, erw, saw, round, triangle, hex etc. 1) Dimension ... 3) Available types: Galvanized machine pipe, seamless pipe, stainless steel tube, tent hollow structure, petroleum pipe, automobile parts, scaffolding, furniture ... shelf, construction structure, project system4) Tube Length: 0.3m - 12.0m (1ft - 40ft). 5) Available ...