Package of Two 1/2" (.500 Dia.) Styrene Tube Strips from Evergreen. They are for experienced model builders. White styrene tube strips are 14-1/4" long. Used for piping in industrial complexes or for flatcar loads. May also be used as round pylons in bridge, pier, and other structures. Ideal for museum quality and smaller scale model construction where assembly speed, profile accuracy, and cost are the determining factor.