The RAM-B-238U consists of a 1" diameter rubber ball connected at right angles to a 2.43" x 1.31" diamond base. The 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.

Material:
Powder Coated Marine Grade Aluminum

Ball Size:
1" Rubber Ball "B" Size

Note:
The "U" in the part number reflects product packaged in poly bag.