9sparts Black Steel 150lbs Roof Rack Cargo Car Top Cross Bar Luggage Holder Carrier Basket 40258 Heavy-duty black powder coated steel construction Steel wind fairing, Wind Fairing Dimension: 33.5" X 7" Overall dimensions: 44"(L) x 39"(W) x 6'(H) U-Bolt Spacing: 3.25" Wide X 1.375 5.5" Tall Mounts To Vehicle's Cross Bars W/ 4 U-Bolts