Thule AeroBlade Edge Flush Mount Rack (1 Bar) Flush Mount style requires fit kit, sold separately Sleeker appearance for vehicles with raised or flush roof rails AeroBlade Edge racks work with existing Thule fit kits for a perfect fit on your vehicle and are compatible with most accessories Includes pre-assembled Aeroblade bars, feet. Wind Diffuser technology disturbs airflow to reduce noise and drag for improved fuel economy