... .Material:Al 6061-T62.Standard:ISO9001:2000 3.Process:polishing,nickel,chrome plating,black anodize,clear anodize,blue anodize etc 4.Precision ... ,DIN,ASTM,BS,SAE,etcNet Weight0.1-1kgDimensions1mm-300mmSurface treatmentZinc,Nickel,Au,Sliver,chrome,sliver,polishing,heat-treatment,Black anodize;Clear ...