With this round base, you can create the foundation for your individual RAM Mount holder. The round bases in the 1-inch and 1.5-inch sizes have four holes in the industry-standard AMPS pattern (rectangular arrangement, 30 x 38 mm), as well as three holes at 120-degree intervals. The 2.25-inch round base is available with either four industry-standard AMPS holes or three holes at 120-degree intervals. The 3.38-inch round base is available with three holes at 120-degree intervals. The bases can be used to attach device carriers without a ball, such as the RAM-mount scanner holster.





