ProX XTC-SQ984TRIRAP BLKX2 3 Side Box Truss (Black, Set of 2) - 9.84 ft/3.00mProX XTC SQ984TRIRAP BLKX2 Set A bare truss rig gets the job done structurally. But a dressed truss rig tells a story. The difference between an exposed aluminum frame and a polished, finished stage look often comes down to one simple element what covers the truss. The ProX SCRIM is a pair of professional 3 side black scrim covers engineered to fit 9. 84 FT 3. 00M 12 box truss sections, giving lighting designers, touring crews, and production