RAM MOUNTS ROUND BASE WITH BALL

2.5 Round Base, 1.5 Ball & Hardware for the echo 200, 500c, 550c: 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 to the bottom of the Garmin echo