?Universal Fit?Fits most vehicles with bare/smooth roof and roof width less than 48 inch (1220mm). Will NOT FIT for vehicles with raised rails, actual side rails, Integrated side rails ?165 lb Loading Capacity?Made of premium aluminum alloy, light and tough. Suitable for most rooftop accessories you want to carry, such as camping gear, luggage, fishing poles, bikes, snowboards, kayaks, canoes, etc ?Easy Installation?No drilling/cutting required, no side rails needed. Come with 3 kinds of clamps?30mm, 65mm, 85mm?for universal fitment. 4 Rubber pads on bottom to prevent damaging car paint Package Includes: 2 x Crossbars 4x Tower Feet 4 x Rubber Strips 12 x Mounting Brackets 4 x Rubber Pads For Tower Feet 8 x Tri-wing Nuts 4 x Knobs 4 x Knob Covers 4 x End Caps 12 x Plain Washers 8 x Gaskets 12 x Nuts 8 x Square-head Bolts 4 x Round-head Bolts