Micro RAM sonar and GPS mounts come standard with a 1-diameter double ball-and-socket system. The custom-made cradles are designed to withstand shock and will hold device firmly even in the harshest of conditions. A patented rubber ball-and-socket design protects the electronics from damage due to vibration. Available: Humminbird Matrix, 500 and 700 Series Eagle Cuda 128, 168, Lowrance X67, M68, M56 Humminbird PiranhaMAX Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Marine Electronics and Antenna Mounts.