Stand off mast mount for marine antenna. You can use with VHF antennas as well as DTV100 TV antenna and any antennas with standard 1″x14 TPI thread.
The base attaches to the mast with 4 screws. The mount has a passage in the center to allow cable through it.
For use with 4GConnect and WL510 antenna, you need a 1″x14TPI to 1.25″ pipe thread adaptor.