The RAM antenna mount is designed to hold most VHF and similar antennas.
The patented rubber ball and socket system securely mounts the antenna
while allowing for almost infinite adjustment. Mount the antenna on a
horizontal or vertical surface or anywhere in between. The ball base is
made from a light weight marine grade aluminum with powder coat. The
ball socket with female 1/2" NPT hole are made from light weight marine
grade aluminum. The RAM antenna mount will work with any standard antenna
that has a 1/2" NPT male interface.
4-Hole AMPS: 1.181" x 1.496"
3-Hole 120-Degree: 1.812" Diameter