do not recommend for any trailers
"I do not recommend these for trailers. With nothing loaded, these fall down the walls when traveling on the road and scratch your trailer irreparably. I have several of these individual hooks and the rack of hooks. The photo showing damage had nothing hooked to it while traveling. You can see one magnet unscrewed itself and all 3 scratched and damaged the walls. Now I have a significantly damaged trailer that looks awful. I can't recommend unless you use these somewhere metallic that isn't in motion (not trailer). Not good testing before going to market for the trailer use, the magnets are NOT strong enough"





