CE Smith 29532 Rubber Boat Trailer Wobble Roller This CE Smith wobble rubber roller can be used as a replacement for the original roller on many trailers. Fits standard brackets and 34 shaft size. Black natural rubber 4-38 Diameter 4-38 Wide 34 Shaft California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Trailer Rollers Wiser Yes Material Rubber Product MPN 29532 Product UPC 768296002268 Fast Ship In Stock Ships Today