... Sizes:5/8" x 5/8", Wire Gauge 18,19,20,21;3/4" x 3/4", Wire Gauge 16,17,18,19,20 ... ,21;1" x 1/2", Wire Gauge 16,17 ... . Specification List of Welded Wire MeshOpeningWire DiameterIn inchIn metric unit(mm)1/4" x 1/4"6.4mm x 6.4mm22 ... "75mm x 75mm12,13,14,15,162" x 4"50mm x 100mm13,144" x 4"100mm x 100mm13,14 Galvanized Welded Wire Mesh