meterial:stainless steel,thin low carbon steel,brass steel,aluminum steel,titanium steel,nickel,al-mg allog steel. hole shape:diamond,square,scale hole application:widely used in filters baskets,air filtration units,medicine,mediine guards,animal cages,the protection of electrical equipmentwindow,safety door&window,room dividers,decorative celing,highway fence,civil building,concretereinforcement,walkway,anti-dazzle panels,plaster trims,fan covers. special designs or size is also available at customers request