Galvanized Iron Perforated Metal Screen 1.thick:0.2-12mm 2.open area:10%-70% ... .5m-3m 4.shape:Round, Square Galvanized Iron Perforated Metal Screen Punch Metal /Punched Metal/perforated metalMaterialCarbon steel, Aluminum, Brass, Copper.FinishPowder coated ... ,such as:1000*2000*1.0,1250*2500*2.0..Perforated patternStraight,Stagered:45degree,60degeree,120degree...MarginNo margin/ Common margin/ Special ...