1.size: 8mm-800mm, 2.cold stretched steel bar (Polishing/bright/black ) 3.stable quality and best price Basic Info. Model NO.: 201, 301, 302, 304, 304L, 316, 316L, 321, 309and so on Type: Stainless Steel BarsStandard: ASTMGrade: 300 SeriesCertification: SGSShape: RoundPerforated Or Not: Not PerforatedSurface Treatment: PolishedTechnique: Cold RolledSize: Dia3mm-480mmStainless Steel Product: ...