Features:- Highly Compatible - This 50" Roof Rack Universal Cross Rail Bar is designed to perfectly mount onto most cars or SUVs with raised side rails (not flush-mounted rails), where the diameter of rail is within 2 3/8" and the distance between the rails is not exceeding 42 1/2"- Durable & Strong - Made of premium-quality aluminum alloy for resistance to rust, corrosion, and wear-and-tear, offering large load capacity of up to 150 Lbs, ideal for carrying surfboards, kayaks, bikes, or other heavy-duty cargo items- Safe Driving - Features a streamlined design to minimize wind drag, along with heavy duty clamps for firm fastening to your side rails, ensuring a safe carrying and driving experience- Easy Installation - Comes with a full set of installation tools, along with a simple and direct clamp-on design which allows simple and quick installation within minutes without any drilling required- Highly Secure - Features a highly-secure anti-theft locking system to ensure the safety and protection of your luggage with 2 unique keys, protecting your cargo from intruders during road trips or camping adventuresSpecifications:- Overall Dimension(LxWxH): 50" x 3 3/8" x 3 3/4" (127 x 8.5 x 9.5 cm)- Cross Bar Dimension(LxWxH): 47 1/4" x 2 3/16" x 1 1/8" (120 x 5.5 x 2.8 cm)- Max. Distance between Side Rails: 42 1/2" (108 cm)- Fits Side Rail Diameter: Less than 2 3/8" (6 cm)- Max. Weight Capacity: 150 Lbs (68 kg)- Material: Aluminum Alloy, ABS- Net Weight: 6.83 Lbs (3.1 kg)Package Contents:- 2x Cross Bars- 4x Keys- 4x Supporting Feet- 4x End Caps with Keyhole- 4x End Caps- 1x Allen Key- 1x ManualNotice: - Professional installation is highly recommended.- Please measure the dimensions of your vehicle��s roof rails to ensure a good fit before purchasing.