... metal :Materials: stainless steel mesh, aluminum, copper, steel board, PVC filmType: long, round hole hole hole, triangular, square, the scales, bridge type ... . Weave characteristics: stamping, According to the hole hole, rewards points: square hole, round holes lozenge hole hole, triangle, directed rewards. Hole ... .65%round hole 15281.56026.03%round hole 153016022.67% square hole perforated wire mesh