SECTION XV - BASE METALS AND ARTICLES OF BASE METAL > CHAPTER 73 - ARTICLES OF IRON OR STEEL > 7302 Railway or tramway track construction material of iron or steel, the following: rails, check-rails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialised for jointing or fixing rails > Fish-plates and sole plates