Model DM-4A: Screw-on connection
This mount is designed for trunk and roof applications. It measures 2" in diameter and stands 2" above the mounting surface. All matal components are plated brass and the exterior is black ABS plastic. SO-239 base accepts standard PL-259 terminated coax.
Requires 5/8" hole in mounting surface. Use with antennas up to 4 feet.