The RAP-299-3U serves as a mounting point for RAM 1" double socket ball mounts. Included are support fins that flex, making the cup holder base conform to most vehicle cup holders. Also included is hardware to attach a AMPS 2-Hole (Diamond) base to the cup holder base.
Compatible with any vehicle cup holder with an inside diameter range of 2.57" to 3.5"
Material: High Strength Composite
Note: The "U" in the part number reflects product packaged in poly bag.