The RAM-233 rail kit consists of a U shaped rail adapter that connects to a round 2.5" base.
All hardware to connect the rail adapter to the plate is included, along with a rubber strip
to allow a tight grip on the rail.
Material:Powder Coated Marine Grade Aluminum
Ball Size:C Size 1.5" Rubber Ball
Note:Part number reflects product packaged in clear clam shell for store shelf display.