Detailed Product Description Cold Rolled Tubefeatures:1)outer diameter:5mm--120mm2)wall thickness:0.5mm--20mm3)length:according to customers' request4)deviation of inner and outer diameter:o--0.03mm5)linear degrees:0.03--0.15mm/m6)surface roughness:Ra0.02--0.8um7)our corpeoation also sell googs to distant places in America,Europe,Russia,Australia so many countries and areas