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 low carbon steel tube (single walled & double walled)

       4.76 mm x 0.71 mm

       6.00 mm x 0.71 mm

       6.35 mm x 0.71 mm

       8.00 mm x 0.71 mm

      9.53 mm x 0.71 mm

      10.00 mm x 0.71 mm

      12.00 mm x 0.71 mm