... wire.6. Characteristics: corrosion resistance and oxidation resistance, etc. Specification List of Welded Wire Mesh openingWire diameter(bwg)In inchIn metric unit(mm)1 ... /4×1/46.4mm×6.4mm22, 23, 243 ... , 20, 211×1/225.4mm×12.7mm16, 17, 18, 19, 20, 211-1/2×1-1/238mm×38mm14, 15, 16, 17, 18, 19 welded wire mesh