UNIVERSAL ROOF RACK CROSSBARS :The universal roof rack cross bars fit most vehicles with existing raised side rails with gap, maximum of 49.5" between the side rails.The roof rack is equipped with the internationally recognized T-slot, which not only perfectly integrates with the car, but also can be quickly used in combination with different bike racks, luggage racks and kayak racks. Aero Aluminum Crossbars :The car roof rack is made of lightweight aluminum throughout, which won't be bulky and has a load capacity of 200 lbs. At the same time. The connection between the cross bars roof rack and the car is made of high quality plastic, which is not only strong, but also will not damage the car. EASY TO INSTALL :Each set of crossbar roof rack comes with the necessary installation tools, no need to assemble, refer to the instructions or our installation video to quickly complete the installation and removal. It is very convenient for you!Our crossbars roof rack comes with an anti-theft lock system and two keys.