... x 12.7mm16, 17, 18, 19, 20, 213/4" x 3/4"19mm x 19mm16, 17, 18, 19, 20, 211" ... x 1"25.4mm x 25.4mm15, 16, 17, 18, 19, ... Welded Wire MeshOpeningWire DiameterIn inchIn metric unit(mm)1/4" x 1/4"6.4mm x 6.4mm22, 23, 243/8" ... 3/4"19.1mm x 19.1mm16, 17, 18, 19, 20, 211" x 1/2"25.4mm x 12.7mm16, 17 ... 38mm14, 15, 16, 17, 18, 191" x 2"25.4mm x 50.8mm14, 15, 162" x 2"50.8mm ...