building construction material Mesh:1/2'',3/4''1''to 6'' wire dia:1.3-5.0mm ... Guage:5--18# Width:2' to 6' Building construction material ... MeshOpeningWire DiameterIn inchIn metric unit(mm)1/4" x 1/4"6.4mm x 6.4mm22,23,243/8" ... 5/8"16mm x 16mm18,19,20,21,3/4" x 3/4"19.1mm x 19.1mm16,17,18,19, ... 7mm x 12.7mm16,17,18,19,20,213/4" x 3/4"19mm x 19mm16,17,18,19,20,211" ...