... pipe Grade:201, 202, 301, 304,Outer Diameter: 10mm--219mm Thickness: 0.18mm---1.5mmItems: Round ... PipeOuter Diameter: 6mm, 8mm, 9.5mm, 10mm, 11mm, 12mm, 12.7mm, 13mm, 14.5mm, 15.9mm, 17.2mm, 17mm ... , 18mm, 19mm, 20mm, 20.2mm, 21mm, 21.3mm, 22mm, 23mm, 24.2mm, 25mm, 25. ... , special length can be customized.5)Tolerance:a) Outer diameter: ±0.2mmb) Thickness: ±0.02mmc) Length: ±5mm6 ...