【Vehicle Fitment】: Our 53" Universal Roof Rack Cross Bars compatible for Flush & Raised Side Rails, fit most vehicles suvs cars. Please check your vehicle's side rails before purchase. 【Adjustable Cross bars】: The length of the bars can be adjusted from 37.8 inches to 51.6 inches, allowing for flexible spacing between the two bars to meet different loading needs, such as Cargo Baskets, kayak racks, and more. 【Note】: We do not recommend transporting long items such as surfboards, skis, or kayaks, due to significant wind resistance and safety risks. Use professional racks instead. If you must transport these items, ensure all devices are securely fastened for your safety. 【Low Noise & Anti-theft Lock】: The aerodynamically-shaped design effectively reduces wind noise, and the lockable design prevents theft of the Cross Bars, ensuring enhanced security. 【High Load Capacity】: The aluminum cross bars with a powder-coated finish have corrosion-resistant properties, making them sturdy and durable. They can bear a weight of up to 300 pounds (136 kilograms). The design ensures ample clearance, allowing for unobstructed sunroof opening and making installation and loading easier. 【Anti-slip Strips and Replaceable Pads】: The rubber strips on the top of the Cross bars prevent slippage when loading travel equipment. The package includes two different-sized pads that can be replaced to ensure a better fit with the vehicle's Side Rails. 【Clear Instructions & Easy Installation】: Detailed instructions and a complete set of parts are included to assist you in the smooth installation of the cross bars. The installation process is simple and does not require much time. 【Recommendation】: Before driving, please ensure that the Cross bars are securely installed, and load the cargo evenly distributed on the Cross bars. Regularly check for any loose fittings. If not in use temporarily, it is recommended to remove and store them in the trunk, as the installation is hassle-free. 【Comprehensive After-Sales Support】: This product comes with a 1-year factory warranty and lifetime customer service support. If you have any further questions, concerns, or issues with parts and accessories, please feel free to contact us at any time. YZONA 53" Heavy Duty 300 LBS Universal Roof Rack Cross Bars Compatible with Flush & Raised Side Rails, Fit Most Vehicles SUVs, Lockable & Adjustable Cargo Carrier Crossbars Rooftop Luggage