16'1" - Aluminum Double Tube Celina Tent's West Coast aluminum double tube is constructed from a custom extrusion which measures 2.0" x 3.875". The tubing measures 1.750" (Inside Diameter) with a wall thickness of 0.125" or 1/8". The aluminum has a strength of 35,000 PSI. This... MSRP: Now: $159.35 Was: View Details