RAM® Double Ball Mount for Raymarine A50, A50D, A57D & A70 RAM-B-149Z-A-272U 25" D size rubber ball

25" D size rubber ball and contains a variety of pre-drilled holes that are compatible with several large marine electronic devices

5" Track Ball™ base for any track system including the RAM Tough-Track™

Install this ultra-rugged drill-down mount almost anywhere in-cab for the NFC repeater

The ball gives the cradle the ability to connect to the RAM arm

Both of these short arms will convert the button end to a single socket arm

RAM® Double Ball Mount for Raymarine A50, A50D, A57D & A70 RAM-B-149Z-A-272U 25" D size rubber ballThe RAM D 101 RM1U consists of a 3. 68" diameter round base with the universal AMPS hole pattern, STANDARD length double socket arm and 3. 68" round base. The RAM D 101 RM1U includes hardware that will attach Raymarine Chartplotters to the mount. Designed into the mount is a 2. 25" diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm.