Brake rods do have a hard life! Their position means they pick up damage to the plated finish, corrosion from road salt, and just physical damage from general wear and tear!
Still for this very low price, you can afford to replace this item and buy an extra one for a spare!
For hundreds of low priced Dax spares, access our online 'parts list' fiche for your model, and see what else you can find to add to your stock of spares?