Heavy duty truss is plated and connected with grade 8 bolts as standard and can be combined with GS Towers and suitable sleeve blocks to create a roof system perimeter or LED screen support structure. This truss can be supplied with casters. The main chords are 1-1/2ì schedule 80, 1.9î OD 6061-T6 aluminum and the diagonals are 1-3/8ì OD tube with 0.125" wall.