material:AISI304/304L/201/316/316L, dimension:1000*2000*1.0, hole size:2.0*5.0,3.0*6.0. Perforated metal, also called punch metalAs architectural decoration products, it has a varity of opening shapes, round,rectangular,slot,corrugated,triangle,etc. For the characteristics of perforated metal, that is, largest selection of hole size patterns and configurations, be painted or polished and ...