Designed to mount two Rhino-Rack HD Bars to your vehicle. These legs require a vehicle specific fit kit for installation. Please use the Rhino-Rack vehicle configurator to verify fitment. Made with fiberglass reinforced nylon for maximum durability and strength. This makes the legs both UV stabilized and weather resistant for years of long life. Pair with two HD Bars to complete your roof rack setup. A separate fit kit may be necessary for your specific vehicle for this to fit properly. A fit kit contains the appropriate rubber pads and spacers for a snug fit. these legs come with locks for theft prevention and load security. Leg bases also pivot to ensure crossbars are level across your roof. Am Allen wrench style torque key is included to ensure the legs are securely mounted to your roof. Keep it in your car to periodically re-check the tightness and security of your legs. At Rhino-Rack, we believe there's an adventurer in all of us. It's what drives us to create world-ready outdoor gear, born and proven in Australia. We believe life is better when we Make Space for Adventure.