Replacement railing caps

I am looking for replacement caps for a Palladin above ground oval pool. The front across is 7", the back across is 5-3/4", the depth is 8-1/2". Anyone have an idea where I might find replacements? Have looked online but haven’t found anything yet.

We’d be glad to assist you. Could you post a couple of pictures of your top cap?

Thank you for your quick response. Here’s the cap I’m looking for, size in first comment above.

It looks like an Artesian Shadow River top cap. The part number was 11456. Unfortunately, the manufacturer discontinued the cap and there is not currently a suitable replacement.