steel tubes and pipes Material:300 series,200 series Application:decoration,construction,furniture accesories steel tubes and pipesFeatures:1) Sizes: 9.5mm, 12.7mm ... , 15.9mm, 17mm, 18mm, 19.1mm, 20mm, 21mm, 22.2mm, 23mm, 25 ... , 88.9mm, 101.6mm,114.3m, 127mm, 133mm2) Thickness: 0.25 - 2.0mm3) Length: 6m4) Tolerance: a) Outer diameter: +-0.2mmb ...