Extreamly rigid, light and tough. Brand new real Carbon Fiber rectangular tubes 4.53"(115mm) x 2.29"(58.3mm) x 67.25" (1708mm) at the peak length. Professionally machined features are illustrated in the drawing. Wall thickness is about .084" (2.15mm). Each beam weighs 3 pounds 1 ounce. Some minor scuffs are possible. Generally in very clean condition.
At least 21 units available at the time of this posting. Pick up in San Bruno.Price is each. I believe it was an $800 piece of stock that each of these was made from. Cash is preferred. See the drawing for dimensional clarity. Dimensions are in millimeters. Conversion to inches- multiply by .03937 = inches.