A 4" hole saw worked well.


2 large washers for backing. I used 4200 to bed the cleat and some on the washers.

I finished up by glassing the removed 4" hole back in place. No leaks. last long long time.

Not the best color match








Dougiestyle wrote: ↑Wed Jul 08, 2020 4:57 pm The cleat was original, 22 years old and I guess stepped onthe pointed end.