... Galvanized iron wire, PVC coated iron wire Aperture: 1", 1-1/2", 2", 2-1/2", 3",4",etc. Wire Dia.: BwG18# ... : 30m, 45m Specifications Opening1"1.5"2"2-1/4"2-3/8"2-1/2"2-5/8"3" ... 4"25mm40mm50mm57mm60mm64mm67mm75mm100mmWire diameter18# - 13#16# - 818#-7#1.2 - 2.4mm1.6mm - 4.2mm2.0mm-5.00mmLength ... waterways, residence safeguard , highway fencing ,etc picture show: 1 Inch Chain Link Fence (factory)