Resilient, shock-absorbent, non-marking Super Rollers are made from high-quality polyurethane to protect your investment. They spin freely to reduce drag while launching or retrieving your boat and remain unaffected by oil, gas or salt. Should last the lifetime of your trailer. Made in the U.S.A.
The West Advisor
The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.