... Wire MeshOpeningWire Diameter(BWG)In inchIn metric unit(mm)1/4" x 1/4"6.4mm x 6.4mm22,23,243/8" x 3/8"10.6mm x 10 ... .6mm19,20,21,221/2" x 1/2 ... "12.7mm x 12 ... ,162" x 2"50.8mm x 50.8mm12,13,14,15,16Technical Note:1,Standard roll length: 30m;width: 0.5m to 1 ...