Use the Hobie Thru Hull 3-Way Wiring Kit to add a waterproof wiring port to any kayak. Useful for mounting fish finders, GPS units or other electronics to the outside of your kayak, this 3-way Thru Hull Plug allows for a clean and waterproof port for your wires to run into the hull of your kayak. 3 holes allow you to route multiple cables thru one port. Included rubber grommets provide different configurations for different sized cables. Includes all necessary mounting hardware and instructions.