Bill, the ramps look great but I agree with Mike. From the pictures it looks like there is potential to drag on bad dip in a parking lot or driveway. Another option is putting a set of "casters" underneath so the ramps don't scrape. They make them for motorhomes and trailers. I don't think they are very expensive and may save your ramp brackets. Something like this.

http://www.campingworld.com/shopping/item/rollaway-hitch-protector/11048


~ Billy
Old Dominion Stovebolt Society: Exotic Animal Division
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I've got a trailer and I'm not afraid to use it!