All RAM systems use a 1" ball and socket system. This super strong rubber ball and socket system provides mounting flexibility and protects electronics from damage due to vibration. All components are interchangeable so you can switch attachments at either end of the clamping stalk for maximum versatility.
A ball plate for attaching a GPS cradle or Aqua Box to the RAM system. Also fits the pre-drilled holes on the Legal Speeding Radar Detector Case (#3866).