... .5-6.0mm 2.Size: customized 3.Finish: galvanized/powder coated steel frame,channel post steel track Commoditysteel channel 41mmx21mmThickness1.5mm, 2mm, 3mmLengthThe ... Steel,Rolled Formed Steel Profile,Steel FrameCustom Profile Hollow Section,Profiled Tube OTHER CUSTOM STEEL PROFILEsteel frame,purlin,ceiling,keel,structural material hot dip galvanized ...