Ratchet mount adapter, 4 inch long, with 1 inch x 14 female thread one end and 1 inch nipple other end. Use the M91 to mount any HD style antenna to a male threaded marine mount (like our M99 or M32) without a stanchion.
- Made entirely in the USA.
- Precision machined and finished by hand with modern tooling.
- Dependable and rugged.
- Our products are trusted on military, law enforcement, commercial and leisure vessels around the world.