Sea-Dog, Rail Mount Fixed Antenna Base.
- Formed 304 stainless
- All stainless steel construction with nylon mounting brackets
- Fits both 7/8" and 1" tubing
- Designed to be mounted on either vertical or horizontal rails as well as any flat surface
- Designed to allow antenna wire to feed directly through the base
- Ideal for Loran, GPS, and CB antennas with standard 1" - #14 threads