Wont Tighten and Stay Loose.

I bought 3 pairs of these to have one in each stake pocket. They are a good design and built well. The issue is they DO NOT tighten up to the box surface. Tighten these as much as you can, and I made sure I had them installed correct many times, and these still can be moved around by hand. The clamp surfaces on the bottom side are too short. These will move around and remove the paint from the box top. Especially when loaded with tie downs. Good design but need this loose when assembled issue fixed!!

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