Global Truss Tr-C2-180 - 6.56Ft (2.0M) Circle / 2 X 180 Degree Arcs. 6.56Ft (2.0M) Outside Dimension. 11 7/16" (290mm) Overall Width, 2" (50mm) Outer Diameter Tubing, 3/4" (20mm) Diagonal Bracing, 0.008" (2mm) Wall Tickness, Unit Weight 68Lbs.