Serial number size diameter(mm) standard Bundle weight (kg) 1 8# 4.0 50 2 10# 3.5 50 3 12# 2.8 50 4 14# 2.2 50 5 16# 1.6 50.25 6 18# 1.2 25 7 20# 0.9 25 8 22# 0.7 10-25 The zinc coating can be 100g/m2, 200g/m2 and 300g/m2. Single coil package for hot-dip galvanized iron wire can be different from 10 kg to 1000 kg. Custom orders for hot-dip galvanized wire also available.