... shapes: round , oblong, square , triangle 3. Dimension: 1220*2440 Perforated sheet details: 1) Thickness: 0.5-3.0mm2) Materials: stainless steel ... , aluminum, copper, brass, cold rolled steel, hot rolled steel3) Dimenson: 1000*2000 (mm), 1220*2440(mm), 1250*2500 (mm) Our products ...