... surface treatment:galvanized,pvc coated 2.wire diameter:12#-22# 3.open:1/4"*1/4"-2"*2" 4.best ... weavingWeaving with electric galvanized iron wirePVC coated welded wire mesh 3.specification: Specification List of Welded Wire MeshOpeningWire DiameterIn inchIn metric ... x 5/8"16mm x 16mm18,19,20,21,3/4" x 3/4"19.1mm x 19.1mm16,17,18,19 ... x 12.7mm16,17,18,19,20,213/4" x 3/4"19mm x 19mm16,17,18,19,20,211" ...