Roof rack cross bars are made from anti-rust aluminum, base feet are made from high-quality plastic. Upgraded with Metal Mechanism Lock& Key that Keep Your Loading Safer. Car roof rack cross bar is rated to carry 68 kg /150 lbs. Ideal transportation support, such as roof bags, roof boxes, surfboards, kayaks, ski/snowboards, and much more you want. Aerodynamics design efficiently reduces wind resistance and noise. The front crossbar is longer than the rear to accommodate vehicle size. No need to drill or cut. Easy to Install. Just attach and fix the crossbars to your car's original roof rails. Package includes 2x crossbars with necessary hardware, and installation instructions. 【Pay attention】 Due To The Difference Between Monitors, The Picture May Not Reflect The Actual Color Of the Item, We Guarantee The Item Is Exactly As the Picture Shown. If Any Problems With Our Items and Services, Please Feel Free to Contact Us First, We Will Do Our Best To Solve Problems and Provide the Best Services. We Would Be Appreciate if You Can Contact Us before Feedback 【Worry-Free after-sales 】We Guarantee The Good Quality, and Agree 1: 1 Replace For the Defective Goods