Galvanized Porous Sheet Metal 1.thick:0.2-12mm 2.open area:10%-70% ... :0.5m-3m 4.shape:Round, Square Galvanized Porous Sheet Metal Punch Metal /Punched Metal/perforated metalMaterialCarbon steel, Aluminum, Brass, Copper.FinishPowder coated,galvanized ... . Dear friend,if you are interested in our punched/perforated metal,please contact us without hesitate,Tell us the Materials,Hole ...