The RAM-B-107BU is a marine grade aluminum base with 1" rubber ball. The base connects to the underside of Humminbird and Raymarine marine GPS devices.
RAM RAM-B-107BU - Ball mount for navigator - for Humminbird 300 Series; 500 Series; 700 Series
Suitable For Installation:
- Humminbird 300 Series
- Humminbird 500 Series
- Humminbird 700 Series