RAP-304U

The RAP-B-304U is a universal receiver base that can support most T-Bolts, T-Nuts, carriage bolts, belt clips and other button adapters.
The 2-Hole AMPS hole pattern can hard mount to any flat surface as well as connect to any RAM double ball and socket mount.
The built-in tab will keep your device secured while in the receiver and offers a quick disconnect function.