The Ladder Center Support (LCS) is sold as a pair w/o fasteners to support the Cable Ladder (Straight) section(s) from above.
Ladder End Support SKU: 2CLS-LES Price: $14.00
10-32 Truss Head Rack Screws SKU: 5EREFSTS Price: $12.00
Swing Frame Rack SKU: 1SFR Price: $238.00