RAM Mount Rugged Use Marine Electronics Base w/1.5" Ball [RAM-107BU] Marine Navigation & Instruments | Compasses Wrenches x 2 - 3/8"

Wrenches x 2 - 3/8" (10mm)

dry and protected - ideal where bilge space is very limited

HELIX 8 CHIRP GPS G4N

NF4 and WS4

RAM Mount Rugged Use Marine Electronics Base w/1.5" Ball [RAM-107BU] Marine Navigation & Instruments | Compasses Wrenches x 2 - 3/8"RAM 1. 5" Ball Marine Electronic "RUGGED USE" Base for the Humminbird 100, 300, 500, 700 Series, Matrix Series and Lowrance Elite 5 Series The RAM 107BU is a marine grade aluminum base with 1. 5" rubber ball. The base connects to the underside of Humminbird and Raymarine marine GPS devices listed below. This base is compatible with the following electronic devices: Humminbird 700 Series Humminbird 500 Series Humminbird 300 Series Humminbird 100 Series