We can supply different cutted iron wire and U type iron wire as clients demand. Our wire usual diameter is from 18 # to 22 # (wire diameter 0.7 mm to 1.2 mm).Length is no limited.Wire Gauge SWG in mm BWG in mm In Metric System mm 18# 1.22 1.25 1.20 19# 1.02 1.07 1.00 20# 0.91 0.89 0.90 21# 0.81 0.813 0.80 22# 0.71 0.711 0.70