Hexagonal Wire Mesh ISO9001:2008 Hole size:1/2'',5/8'',3/4'',1'',2'',1-1/4",etc coating:galvanized or pvc ... Metric (mm) 3/8''1027, 26, 25, 24, 23,22,211/2''1325, 24, 23, 22, 21,205/8''1627, 26, 25, 24 ... , 23, 223/4''2025, 24, 23, 22, 21, 20, 191''2525, 24, 23 ... , 22, 21, 20, 19, 181-1/4''32 22, 21, 20, 19, 181-1/2''40 22, 21 ...