I got mine from Garhauer Marine. I used the top option (IE tapered) in the link with just a single hole and I cut them down to size. Be sure to file the bases after cutting so it is not sawing in the fiberglass socket.

https://garhauermarine.com/catalog_process.cfm?cid=44

Jason

:: Hello, I am I. The process of refurbishing hull number
:: 64. Does anyone have a source for 12" stanchions and
:: pulpits?

:: Any hel appreciated