Convert any RAM post/spline base into a ball base on your boat or kayak with this 1" ball with spline post. With this adapter you can use your existing rod holder base to support a wide variety of ball and socket components to hold your phone, camera or other handheld device. With the post and spline function you can easily remove or transfer your double ball mount when not in use.
Compatible With: RAM Fish Rod & Tube Rod Holder bases
Material: High Strength Composite
Ball Size: 1" Ball "B" Size
Note: The "U" in the part number reflects product packaged in poly bag.