round base, 1,5 in.
6.3 cm diameter (2.5 in.), AMPS, 1.5 in. ball (size C) - RAP-202U
With this round base, a good foundation for your individual mount of RAM Mount is created.
This round base has a diameter of 2.5 “and has three holes in industry standard AMPS (rectangular arrangement, 30×38 mm). The base can also be used for the attachment of device carriers with no ball (see Fig In the description of the device).