... 5/8", Wire Gauge 18,19,20,21;3/4" x 3/4", Wire Gauge 16,17,18,19,20,21;1 ... Welded Wire MeshOpeningWire DiameterIn inchIn metric unit(mm)1/4" x 1/4"6.4mm x 6.4mm22,23,243/8 ... 5/8"16mm x 16mm18,19,20,21,3/4" x 3/4"19.1mm x 19.1mm16,17,18,19,20 ... ,213/4" x 3/4"19mm x 19mm16,17,18,19,20,211" x ... " x 3"75mm x 75mm12,13,14,15,162" x 4"50mm x 100mm13,144" x 4"100mm x 100mm13,14