... -30mm 4 Hole: round Stainless steel Perforated Sheet 1.Material: Steel, Aluminium,Stainless Steel 2.Hole Diameter: 0.3 ... square, hexagonal, rectangul, scale, triangle Stainless steel Perforated Wire MeshMaterial: mild steel sheet, stainless steel sheet, monel sheet, copper sheet, brass ... sound isolation sheet decorative sheet for stairs, environmental tables and chairs sifting in grains, feed and mines ...