Ram Mount 2 x 1.7 Inches Base with 1-Inch Ball that Contains the Universal AMPs Hole Pattern for the Garmin zumo/TomTom Rider/Urban Rider

The RAM-B-347U base consists of a 1" diameter rubber ball connected at right angles to a 2" x 1.7" square base. The base has four pre-drilled holes at each corner, making the universal 1.5 x 1.188 (hole spacing) AMPS hole pattern. This adapter/base is designed to hold the following devices: Garmin zumo 400, Garmin zumo 450, Garmin zumo 500, Garmin zumo 550, Garmin zumo 660, TomTom Rider 2, TomTom Urban Rider.