Flat iron is one of the strongest and most durable iron on the market recently produced. It is the main carrier of steel constructions. Spread over many areas, llama iron is more meaty than other irons. Compared to other types of iron, it is less preferred because its usage area is more limited. The purpose of the flat is to strengthen the supports of the structures, to strengthen the bond between two profiles or between the floor and the ceiling. Standard lengths are between 6-12 meters and can be produced up to 20 meters with special production.