These popular mounts are the standard for marine antennas, but since they have traditionally been made by different companies, they end up with different hole patterns and appearances. We've taken the nylon version and duplicated it in Zamak for inland users, and in stainless steel for ocean users. One can easily replace another if needed.
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.