This rail is black anodized aluminium. For fixed rails, longer sizes are attainable by fitting two or more rails together. Moving rails cannot be joined. To connect two fixed rails use piece FF3208. The connection of rails can be carried out with FF3208 and Must always be supported by a fixed rail attatchment.
Moving rails longer than 3m (9'10") must be supported with more than two fixed rails. The maximum distance between fixed rails is 2m (6' 6.5").