This unobtrusive, flange mount Fixed Antenna Base is compatible with any standard antenna that has 1"-14 threads, but it is especially designed for GPS, marine TV, and other shorter antennas. It is constructed from UV-resistant injection molded nylon and requires three 1/4" RH fasteners for installation (not included).
"Warning - this product contains chemicals, including Arsenic [C] / Lead [B], known to the State of California to cause cancer or other reproductive harm - For more info go to www.P65Warnings.ca.gov"
www.P65Warnings.ca.gov