... .0M) Mesh Wire Gauge (BWG) Inch mm 3/8" 10mm 27,26,25,24,23,22,21 1/2" 13mm 25,24,23 ... ,22,21,20, 5/8" 16mm 27,26,25,24,23,22 3/4" 20mm 25,24,23,22,21,20,19 ... 1" 25mm 25,24,23,22,21 ... ,20,19,18,17 2" 50mm 22,21,20,19,18,17,16,15,14 3" 75mm 21,20,19,18,17 ... ,20,18 2' 1 1-1/4" 32mm 22,21,20,18 3' 2 1-1/2" 40mm 20,19,18 4 ...