Purchased for a landscaping trailer as the pictures and description show/state it can be mounted on a flat surface; it is possible but definitely not on an open trailer without the ability to mount from both below and behind the bracket. Without a post to support the back of the mount I had to move around, weld on a brace and use the 3 mounting holes on the bottom. The instructions clearly state that you need to assemble the floor with the back or just the back. It would be nice to show and state this in the description. As others have said, the bottom panel is small, making it cumbersome to tie a gallon cooler to it. You must hold the cooler against the back of the bracket and prevent the cooler from slipping off the bracket while adjusting the strap. I installed a bracket in front of the wheel arch on my trailer.
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