... wire mesh Specification List of Welded Wire MeshOpeningWire DiameterIn 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 ... ,2.5mm,1.65mm3" x 3"75mm x 75mm2.67mm,2.41mm,2.11mm,1.83mm,1.65mm2" x 4"50mm x 100mm2.11mm,2.5mm4" x 4"100mm x 100mm2 ...