Ram Mounts Universal Marine Electronic Mount - 9-12in Fish Finder - The Ram Mounts Universal Marine Electronic Mount is a complete flat surface, drill-down mounting solution compatible with 9-12in fish finder gimbal brackets. The RAM(R) Mounts ball and socket technology allows for near-infinite adjustability. These mounts are made of power-coated, marine-grade aluminum for durability and reliability in the most demanding marine environments and are backed by a lifetime warranty. Supports devices such as the Lowrance HDS-9 Gen2 Touch, Garmin GPSMAP 7407 and more. *The 6.25" x 2" rectangle base is a universal mounting bracket with a selection of mounting hole locations. In certain applications additional holes may need to be drilled for proper fit with your electronic device. Weight Capacity: 6lbs Ball Diameter: D (2-1/4in) Overall Height: 7-1/3in Top Plate: 6-1/4in x 2in Bottom Plate: 3.68" Diameter Short Arm