... . SpecificationOpeningWire gauge(BWG)In inchIn metric unit (mm)1/4”X1/4”6.4mmX6.4mm22,23,243/8”X3/8”10.6mmX10 ... ,21,22,235/8”X5/8”16mmX16mm18,19,20,213/4”X3/4”19.1mmX19.1mm16,17,18,19,20,211”X1 ... ,15, 162”X2”50.8mmX50.8mm12,13, 14,15, 162”x3”50mmx75mm14,13,163”x3”75mmx75mm12,13,14,15,162”x4”50mmx100mm14,134 ... , please do not hesitate to contact Chuanglian wire mesh factory. I am Amy from China.