The description of the item 73023010 of Canada HScode: Railway or tramway track construction material of iron or steel, the following: rails, checkrails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (crossties), fishplates, chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialised for jointing or fixing rails : Switch blades, crossing frogs, point rods and other crossing pieces : For use with grooved or girder guard rail