The RAM-B-231Z-RVMU consists of a 1″ rubber ball designed to sit at right angles to the mounting rail and zinc coated metal u-bolt. The base includes black cover caps to be placed over the exposed ends of the u-bolt. The included composite rail adapter can narrow the rail to a minimum width of 0.5″. The mirror base will attach to all RAM 1″ diameter ball compatible arms.
Accommodates rails from 0.5″ to 1″ in diameter.