... material: Stainless Steel ,aluminum,galvanized iron,copper 2,hole:round,or as request 3. thickness:0.2mm perforated metalSpecifications1.perforated ... in many situations, for instance when requiring sound reduction, weight saving, air control, filtering, a decorative surface, or simply a non ... mesh and stainless steel plate mesh;according to the hole,it is divided into diamond,square,round,triangle,scale ...