Super Anchor Adjustable Leg for #1017-C Floor Joist Bar 1017-GThe Floor Joist Safety Bar follows the same design principles of our Safety Bar but is designed to be installed onto engineered 42 floor joists. Providing fall protection during the truss installation and decking operations is difficult to accomplish. This product spans 3 trusses, locks securely in place with locking detent pins and can be moved quickly when needed. 2 users can tie off to this product when using a energy absorbing lanyard or SRLs.