The diamond bases measure 2.43" x 1.31" diamond base and contain two holes 1.912" from centre to centre, positioned at both ends of the diamond base. The hole pattern found on the diamond bases will connect to many RAM cradles, as well as third party cradles including mounts with the industry standard AMPS hole pattern.
Built into the RAP-299-3-B-10 mount is a 1" diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm. The RAM-A-CAN™ II cup holder base serves as a mounting point for the diamond base.
Material: High Strength Composite
Ball Size: 1" Rubber Ball "B" Size
Accomodates cup holders with an inside diameter range of 2.57" to 3.5".