Hello,
I need to order new standing blocks for the halyards on my 1986 MKI (located at the base of the mast) and I’d prefer to do a replacement in-kind rather than have to modify mounting holes or hardware. However, I’m at home in NH and won’t be up to the boat (in Maine) again until late next week.  I don't have the specifics on the existing blocks so I'm reluctant to order new ones and then run into installation issues. Does anyone happen to know what they are?

And, although I'm inclined to install direct replacements, if anyone is of the opinion that I should replace them with something else please feel free to offer your thoughts.

Thanks,
Ray Soulard
"Willoughby", Hull #702