Replica traction boards for TRX-4® Expedition Rack. Includes screws.Replacement part for these models:TRX-4® Equipped with Traxx®TRX-4® Sport High Trail Edition™TRX-4® Sport Unassembled KitAccessory part for these models:TRX-4® 1972 Chevrolet® Blazer® High Trail Edition™TRX-4® 1979 Chevrolet® B..