SQ-4111 1.5m (4.92')The SQ 4111 is a 1. 5m (4. 92') straight section of box truss made from high strength 6082 T6 aluminum alloy. 6082 aluminum alloy is gaining in popularity over the 6061 alloy that is often used in truss fabrication because it has a higher tensile (10% 18% stronger) and higher corrosion resistance due to a lower copper content. What does this mean for you? A superior product in both strength and finish while retaining the low cost and lightweight