[quote=rch701]Locate a local steel supplier and get a galvanized 1-1/2" x 3/16" angle iron. Drill your trailer and bolt it in. Not all steel suppliers sell to the public so call first. Welding would be great but it will burn off the galvanizing on the trailer more than its worth.
A treated 2x6 would be a slightly easier option, then you could stand on it when pulling a boat up on the ramp. Either bolt it thru the rail or use u-bolts to hold it down.
My box was lashed down for the first 3 years. I finally bolted it down when I was happy with the placement and drilled even more holes in the bottom.[/quote]
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