RAM Part RAM-202-G4U : Consisting of a 1.5" diameter rubber ball connected to a flat 2.5" diameter base. This mount has pre-drilled holes, including the universal AMPS hole pattern. Included are 3x (#8-32 x 5/8” PH PD Mach Screws) and 3x (#8-32 SS Nylock Nuts) that will connect the RAM-202-G4U to the bottom of the Garmin echo.
Compatible Fishfinders Devices:
Garmin echo 200
Garmin echo 500c
Garmin echo 550c