Bravo Truss represents the highest quality and reliability.Our BS12 Bolt truss is an industry standard used by concert tours, production houses and large scale stage set-up companies. The 12' self climber has 2 sides of diagonal bracing. The truss is make of 6061-T6 aluminum an is compatible with vietually all industry standard trusssing, matching all current bolt patterns. Just rig it, Bravo!