Round plate with RAM® ball - Round base anchor 63 mm.

The RAM-B-202 base anchor is a 63.5 mm diameter flat plate. This anchor contains the AMPS standardized hole pattern that allows a wide variety of RAM mounts to be attached, including all iPad mounts, most RAM-HOL-TAB series tablet mounts, various GPS models and other brand mounts.
The patented RAM arm system with balls on both ends facilitates quick and precise adjustment, via the adjustment knob, and provides proper orientation of the device. RAM's rubber-coated ball design dampens shock and vibration, helping to extend the life of your device.

Compatible with B-series arms.

Material: marine aluminum.

Diameter: 63.5 mm.

Mounting: screwed on flat surface.

B series: 25.4 mm (1″) ball