CE Smith Ribbed Roller Black Natural Rubber The original equipment on many trailers are the CE Smith black natural rubber rollers. The ribbed roller fits standard brackets and shaft sizes. Features Black natural rubber 5 Diameter 3 wide 1-18 shaft California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Trailer Rollers Product MPN 29537 Product UPC 768296000578 Fast Ship In Stock Ships Today