RAM Mount RAM Adapter f/Garmin echo 200, 500c & 550c [RAM-202-G4U]

RAM 2.5" Round Base with the AMPs Hole Pattern, 1.5" Ball & Hardware for Garmin's echo™ 200, 500c & 550c The RAM-202-G4U 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. Compatible Devices: Garmin echo 200 Garmin echo 500c Garmin echo 550c Material: Powder Coated Marine Grade Aluminum Ball Size: 1.5" Rubber Ball Size