... expanded metal Hole size:1.5*3mm,3*6mm,4*8mm Thickness:0.4mm,0.5mm,0.7mm Material:GI steel,aluminum plate,mild steel ... Mini expanded metal Hole size:1.5*3mm,3*6mm,4 ... .4mm,0.5mm,0.7mm Material:GI steel,aluminum plate,mild steelMini Expanded Metal Material: low carbon steel, stainless steel, aluminum plate, brass plate Hole shape ...