... .Punching mesh 2.Thickness:0.5mm-30mm 3.Hole with round,flat,hex,diamond 4.ISO certifi perforated metal Name: Perforated Metal ... : Galvanized Perforated, Aluminum sheet, Nickel Sheet, Copper sheet Hole shape: Round, square, slot, hexagonal, diamond, triangle, etc. Common Size: 1000x2000mm, 1220x2440mm ...