Fish finder transducer mount is designed for kayaks/SUP and small boat anglers needing install the fishfinder and radar. fish finder mount with rectangle plate has a few options of screw hole patterns to fit various fish finder, GPS chartplotters and more. Fish finder mount designed for high salt marine environment, made of marine-grade high strength composite material and marine-grade aluminum that will give you years of service without any corrosion problems. reliability in the most demanding marine environments. Marine fish finder mount included transducer mounting arm, 1.5" ball rectangle mounting plate and track mount, 1.5" ball design gives you a much greater clamping force for larger accessories while still having a smooth full range of motion. Fish finder mount compatible with Humminbird Helix 7, Helix 5, HELIX 5 DI, HELIX 5 DI GPS, HELIX 5 SI GPS, HELIX 5 SI GPS KVD, HELIX 5 SONAR GPS, HELIX 5 SONAR, HELIX 5 XD GPS (NOT compatible with: the Humminbird Helix 8, 9, 10, 12, 15, the Solix 10, 12, 15). Compatible with Garmin Striker 4, Plus 4, Vivid 4cv, Plus 4cv, Lowrance Elite 3x, 4, 4x, 5, 5x, Humminbird Helix 7, Helix 5, HELIX 5 DI, HELIX 5 DI GPS, HELIX 5 SI GPS, HELIX 5 SI GPS KVD, HELIX 5 SONAR GPS, HELIX 5 SONAR, HELIX 5 XD GPS, other Fishfinders and GPS Chartplotters. Backed by a lifetime warranty, If you have any questions about our universal fish finder mount, please contact us by email, we will help you solve it. Strg Fish Finder Mount for Kayak, 1.5" Ball Base Universal Fish Finder Mount Marine Electronic Mount for Boat, Transducer Mounting Arm Compatible with Scotty, Lowrance, Garmin Fish Finder