Tie Down Wobble Roller Bunk Assembly The heavy duty galvanized steel pivot bar of the Tie Down wobble roller bunk assembly provides full hull support. Wobble rollers are designed to pivot and adjust to a variety of hull shapes and sizes. The 36 bar includes 2 wobble roller arms, however it can accommodate up to 4 roller arms. Kit Includes 1 Bunk pivot bar 2 Wobble roller assemblies Mounting hardware California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Goog