Section 15 Base metals and articles of base metal 72 Iron and steel 72 15 Other bars and rods of iron or non-alloy steel 72 15 10 - Of free-cutting steel, not further worked than cold- formed or cold-finished 72 15 10 00 - Of free-cutting steel, not further worked than cold- formed or cold-finished Commodity Code Description 72 15 10 00 000 - Of free-cutting steel, not further worked than cold- formed or cold-finished