The RAM-B-149Z-LO11-NAV1 includes a B size 1" diameter rubber ball and adapter that inserts directly to the back of Lowrance Elite 4, Mark-4 and Hook-4 Fishfinders. The quick release mechanism in the Lowrance is fully functional, allowing you to remove or transfer your Fishfinder in seconds. Also included is a zinc coated metal u-bolt that accommodates rails from 0.5" to 1.25" in diameter. Included are black cover caps to be placed over the exposed ends of the u-bolt and a composite adapter that can narrow the rail to a minimum width of 0.5".
