This is the gable end crown ridge fitting for the Jumbotrac frame system. It is used on all widths of Jumbotrac gable ended tents. The fitting is welded from precision cut 1.25" Schedule 40 steel pipe and then powder coated with a grey gloss coating. The dimensions of the 1.25" SCH 40 pipe are 1.660" OD and 1.380" ID.