The RAM-B-121U-A-238 consists of a yoke clamp base, SHORT length double socket arm
and 2.43" x 1.31" diamond base. The yoke clamp base will fit rails in diameter
from 0.625" to a maximum of 1.25". The 1" rubber ball is at a right angle to the
plane of the mount; when connected to a rail, the ball sits parallel to the rail.
The diamond base has two holes 1.912" from center to center, matches the industry
standard AMPS hole pattern and will connect to a large variety of RAM Mount and
third party cradles. The mount is designed with a RAM 1" diameter patented rubber
ball and socket system that has adjustment points at both ends of the double
socket arm, allowing for almost infinite adjustment and perfect viewing angles.