CE Smith Aluminum Trailer Swivel Bracket CE Smith Trailer Bunk Swivel Brackets are designed for use with bolster brackets. Trailer bunk wivel brackets allow trailer bunk and bolster boards to be easily adjusted to exactly match the angle of your boats hull bottom. California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Trailer Rollers Product MPN 10206AA Product UPC 768296008802 fbt related products Fast Ship In Stock Ships Today