Ram Mount Hummingbird, Hook, Elite Light Use Mount - This Light use mount has been developed to support to Humminbird 100-700, Humminbird Matrix, Lowrance Hook, and Lowrance Elite-5 electronics up to 5lb. The double ball and socket system allows you to angle your electronics in any position and angle you desire. The powder coated marine grade aluminum construction insures that it will last you for years. Height: 5in Powder coated marine grade aluminum Double ball and socket arm