WINDFRD Fish Finder Mount 1.5" Ball Base for Kayak, Marine Electronic Mount for Boat, Universal Mounting Plate, Transducer Mounting Arm, Compatible with Scotty, Lowrance, Garmin Fish Finder Combination design Designed for kayak and SUP anglers needing an easy way to install the fish finder screen and radar at the same time. The 1.5” ball design gives you a much greater clamping force for larger accessories while still having a smooth full range of motion. Has a few options of screw hole patterns to fit various fish finders (screws not included). Incredibly durable design Made of High-performance composite materials for durability and reliability in the most demanding marine environments. Complete flat surface and drill-down mounting solution make it possible to maintain the structure of the mount out on harsh waters.