Round bar,Square bar,Hexagonal bar, Flat bar, angle bar, channel bar Grade:200/300/400 series round barRound bar,Square bar, Hexagonal bar, Flat bar, angle bar, channel bar Grade:200/300/400 seriesSize ... Bar)Width (Flat Bar)Thickness (Channel Bar) 3.0mm ~ 15mm20mm ~ 120mm3.0mm ~ 12mm Length6M normally, or up to your orderSurfaceBright/Pickled/Hairline/Mirror Polishing ...