IB-4049.875 .875m (2.87'). 875m (2. 87') long aluminum I beam truss in the standard aluminum finish. This truss is very strong and durable to handle the rigors of the road yet is nicely finished and lite weight to serve decorative and trade show event needs. Features: Actual size 11 7 16'' wide 2'' diameter main tube 3 4'' diameter brace tube . 08'' wall thickness 6082 T6 aluminum alloy Conical couplers for easy and quick assembly Special reinforced, thicker truss ends for