Bought a 500lb capacity deluxe cargo carrier from harbor freight. Item no is 69623 . I paid less than $40 for the carrier. Great addition to my bug out vehicle to free some cargo space inside. Easy to assemble with just bolts and nuts provided. Will be going camping next weekend , so this item will be tested on the road ( its a 3hr road trip one way).
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https://www.youtube.com/watch?v=34UpCLWwnQM