Mine was assembled with a rubber top plate. The picture shows it so I will scratch your crossbars. metal on metal. I converted mine by wrapping the panel in rubber sheeting to avoid damaging the roof rack. You can see the difference in my photo. Left - how they came, right - how I built mine. I mean really, why cover the bottom panel without damaging the roof rack and leaving the top panel uncoated?
Universal SUV Car Top Luggage Holder With Extension - XCAR Roof Rack Carrier Basket Rooftop Cargo Carrier, Black, 64"X 39"X 6
14 Review
CURT 18112 Black Aluminum Hitch Cargo Carrier with Ramp: 50 x 30-1/2-Inch, 2-in Folding Shank - Ultimate Versatility for Easy Travel
16 Review
Protect Your Vehicle'S Roof With Mockins Rooftop Protector Mat - 37"X55" Cushioned And Gripped Car Roof Protective Mat For Any Cargo Bag, SUV Or Truck
13 Review
20 Cubic Feet Waterproof FieryRed Car Roof Bag Cargo Carrier - Anti-Slip Mat, Travel Storage Luggage Bag Soft-Shell For All Vehicles With Or Without Rack
14 Review
Get Ultimate Towing Stability With CURT TruTrack Weight Distribution Hitch & Sway Control - Up To 10K Capacity, 2-Inch Shank & 2-5/16-Inch Ball - In Sleek Black Design
30 Review
4WD ORCISH Recovery Traction Boards Tracks Tire Ladder For Sand Snow Mud - Set Of 2 (2Nd Gen Bag + Mounting Pins, Black)
39 Review
Nokian Tires Hakka Green 3 205/55 R16 94H summer
37 Review
Cordiant Road Runner 195/65 R15 91H summer
24 Review