The DT-QUICK GRID is grid section.
From the Manufacturer:
Single Tube Aluminum Truss Grid
Max Hang: 10 Grids
Max Base Stack: 4 Grids
Load Capacity: 110 Lbs
Exterior Dims 23.6″ W x 29.6" H
50mm (2") Outer Diameter Tubing
2mm (0.08″ ) Wall Thickness
Coupler, Pins, and Clips Included
Finish: Brush Aluminum
Weight: 5.0 lbs