The Thule 571 Box Lift is the perfect way to store a rooftop cargo box so that it does not have to sit on the ground and be at risk of being damaged. The Thule 571 Box Lift allows you to lift it up to the garage ceiling while not in use and get it back onto the car roof in an instant. Works just as perfectly for kayaks and surfboards.
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I have used one of these for over two years to store a cargo box in our carport. I absolutely love it. It was a pain to mount on ceiling ( I did it alone - having help would have made it easier). Not only is it an excellent way to store the box it also makes putting on and taking it off the roof of my car easy since all I have to do is lower it onto the rack or raise it up.
I installed this on the boat house for a tandem adventure island. Quick and easy installation, and the 16' kayak is now securely out of the way so we can enjoy using the entire deck again. I used one bungee cord to secure the kayak to a column, so it doesn't swing even with high wind gusts off the lake.