Today we're going to take a look at the CE Smith amber ribbed wobbled roller for boat trailers. This is a PVC wobble roller, and it'll replace one worn or damaged wobble or rock roller on your boat trailers roller bunk assembly. This will help ease loading and unloading of your boat. It's supports the bottom of your boat as it rests on the trailer, and it'll even absorb road shock while your boat… see more >