Now available in Blackout as well as Silver!!!
The Alumacraft AlumaTrac Track Adapter for RAM ball mounts, size B and C with standard round base and size D with AMPS small round base. Does not fit the D size ball with the large 3.7" diameter base. Pre-drilled and tapped for quick and easy installation of RAM base. Mounting screws included. Tightening of the knob on the bottom of the mount locks it in place on the gunwale. Loosen the knob to slide the mount along the gunwale. Made of anodized marine grade aluminum. RAM ball base not included.