... . G/SQ.M Width Wire Gauge (Diameter) BWG InchmmTolerance(mm)3/8"10mm±1.00.7mm - 1452' - 1M27, 26, 25, 24 ... .7mm - 702' - 2M27, 26, 25, 24, 23, 223/4"20mm±3.00.7mm - 552' - 2M25, 24, 23, 22, 21, 20, 191 ... "25mm±3.00.9mm - 551' - 2M25, 24, 23, 22, 21, 20, 19 ... /2"65mm±7.01.0mm - 301' - 2M21, 20, 19, 183"75mm±8.01.4mm - 302' - 2M20, 19, 18, 174"100mm±8 ...