For sale is a used Aquacraft 60A brushless ESC. This comes with 6.5MM soldered on. This was purchased new and only used in a few test sessions. The price is $50 shipped to CONUS and Paypal only. Here is a link to photos:
https://newtonmarine.smugmug.com/Misc/For-Sale/i-wMcP8q8
https://newtonmarine.smugmug.com/Misc/For-Sale/i-wMcP8q8