... . Gal.v.G/SQ.MWidth Wire Gauge (Diameter)BWGInchmmTolerance(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 ... - 401' - 2M23, 22, 21, 20, 19, 181-1/2"40mm±5.01.0mm - 451' - 2M23, 22, 21, 20, 19, 182"50mm ...