The Quad Lock phone mounts (shown) can be the base for any Quad Lock product or the clones available on Amazon.
The GPS mounts use the standardized 4 hole AMPS pattern to fit:
Garmin Zumo motorcycle GPS cradles Garmin Montana Rugged Mount & Cable Garmin Montana Handlebar Mount Garmin InReach AMPS Powered Mount TomTom Rider motorcycle GPS cradles RAM Mounts Device Specific Cradles