Ram Mount Diamond Base W/1 Inch Ball. The RAM-B-238U consists of a 1 inch diameter rubber ball connected at right angles to a 2.43×1.31 inch diamond base. The base has two holes 1.912 inch 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.
- Sold as Each
- Ram Mount Base Only