The RAM-202-G4 consists 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™.