Review on 🔧 Enhance Your Mounting Options with RAM Mounts RAM-B-201U Double Socket Arm (Medium) for Seamless Compatibility by David Gill

If you order it and the description refers to RAM MOUNTS Double articulated arm f/1" ball Standard RAM double socket mount offers a perfect 3.73" overall length and socket for 3 inch sockets. Attaches to any B-size RAM Sphere component, including mounting bases and device holders; dual ball and socket technology allows for almost unlimited customization to your RAM mounting system. -201U But have a Humminbird fishfinder mount I don't have P/N RAM-B-107U.