RAM Mount 1" Ball Light Use Surface Mount f/Garmin echo 100, 150, 300c [RAM-B-101-G4] Brand_Scanstrut When used in conjunction with

When used in conjunction with a crossover coupler

Outer Diameter: 3"

16mm Double Block

Two installation options - permanent mount or sure grip suction cup (included)

RAM Mount 1" Ball Light Use Surface Mount f/Garmin echo 100, 150, 300c [RAM-B-101-G4] Brand_Scanstrut When used in conjunction withRAM 1" Ball Marine Electronic "LIGHT USE" Mount for the Garmin echo 100, 150 & 300c The RAM B 101 G4 consists of a double socket arm, 2. 5" diameter round base with the universal AMPS hole pattern and round adapter base that attaches directly to the back of the Garmin echo. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm; this with RAM's rubber ball and socket