DuraTruss DT-GP20-4FT 4-Foot 20.5-Inch End Plated Square Truss The DT-GP20-4FT is a 4-Foot 20.5-Inch Plated Square Truss from the DuraTruss product family. Specifications: 20.5-Inch End Plate Trussing 4' Straight Segment 20.5″ Overall Truss Width 1.96″ 50mm Outer Diameter Tubing 0.11″ 3mm Wall Thickness 0.98″ 25mm Diagonal Bracing 0.08″ 2mm Wall Thickness Connecting Hardware Included Weight – 47.30 Lbs.