1.perforated metal 2.galvanized perforated. 3.hole shape:round 4.tickness of plate:0.1-25mm 5.Size: 1000x2000mm, ... : Galvanized Perforated, Aluminum sheet, Nickel Sheet, Copper sheet Hole shape: Round, square, slot, hexagonal, diamond, triangle, etc. Common Size: 1000x2000mm, 1220x2440mm ...