The RAM-233 rail kit allows you to take a standard 1-1/2" ball with flat base, and attach it to a round rail. It consists of a U-shaped aluminum rail adapter that is bolted to the underside of the 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.
• Fits #202 standard RAM base with 1-1/2" ball on a 2-1/2" base
• Complete with stainless steel mounting hardware
• Black powder coat finish