Section 15 Base metals and articles of base metal 76 Aluminium and articles thereof 76 05 Aluminium wire 76 05 21 Of which the maximum cross-sectional dimension exceeds 7 mm 76 05 21 00 Of which the maximum cross-sectional dimension exceeds 7 mm Commodity Code Description 76 05 21 00 000 Of which the maximum cross-sectional dimension exceeds 7 mm