SQ-4126-R 90º 3-wayThe SQ 4126 R is a 90 3 way box truss corner made from the same high strength 6082 T6 aluminum as the rest of our 12'' truss. This corner offers a rounded edge to provide a different look than the standard SQ 4126 corner. Most of our customers don't even begin to test the load limits of our truss so what are some more practical features that might be more pertinent to the average user? One such feature is the specialized conical coupler connection