Advantage: The ski racks and cross bae are made of high quality aluminum with utra-soft rubber grip, anti-scratching, noiceless, safe and stable. They won't be brittle under a low temperature of -40°C Extra secure & easy access: Anti-theft lock-and-key system for extra security in keeping your investments safe; Double-lock mechanism allows for the option to stack two skis for secure transport; Large buttons for ease of use, can be engaged in the cold weather while wearing gloves Function: Ideal for carrying your ski, snowboards, fishing rods, paddles, ski poles and water skis, to leave room on your car. Also work for fishing rods, water ski, ski poles, water skis or other long things, and leave clearance on the car roof Package: Including 2PCS ski racks and 2PCS cross bar. When you are not using that ski rack, you can remove it. The crossbar continues to be used. Load other goods. Provides convenience for your traveling Easy installation: Included mounting hardware and instructions make installation and use a cinch