Patented FAS style attachment secures tray without nuts and bolts Can be used in trapeze for tray widths up to 8 inches or wall or under floor applications. Long lasting Pre Galvanized finish is ideal for interior applicationsFor trapeze hung installations, use 4inch longer profile than tray width. Example: for CF 54/300 tray (12inch) use FAS P400 (16inch).Maximum threaded rod size is 3/8inch. For use with larger sizes of threaded rod, bracket holes must be drilled larger.Patented FAS style attachment secures tray without nuts and bolts.Threaded rods, nuts and washers sold separately.