RAM 2" x 6-1/4" MARINE ELETRONICS BASE will hold the following units:

Garmin:
GPSMAP 162
GPSMAP 168
GPSMAP 175
GPSMAP 180
GPSMAP 180C
GPSMAP 182
GPSMAP 185
GPSMAP 188
GPSMAP 232
GPSMAP 238

AMP HOLE PATTERN ALLOWS THIS RAM-B-111-BU BASE TO BE USED WITH MANY OTHER ELECTRONIC DEVICES. SEE DIAGRAM TO RIGHT TO SEE ACTUAL DIMENSIONS.