I installed mine to my stern rail using the Starlink pipe adapter and this stainless mount: https://www.amazon.com/dp/B07XM9DMHW?ref=ppx\_yo2ov\_dt\_b\_product\_details&th=1
Sure! Here it is:
https://www.amazon.com/gp/product/B07XM9DMHW/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1
Only thing to note is mine came only with those bolts that have the square sleeve right underneath the bolt head, but some of the holes are round where the pole mounts to the mounting bracket. I took my drill and drilled one of the holes a couple millimeters larger and problem solved in seconds, so the square section slipped in to let the head seat tightly.