stainless steel diameter(mm):9.5, 12.7, 15.8, 19.1, 22.2, 25.4, 31.8, 38.1, 50.8, 63. ... 5, 76.2, 88.9. finish:mirror/polished. Round Tube(Stainless Steel ... can set up business relation in the future. Round Tube(Stainless Steel) with Various Sizes & Finishing