Judy,
You're welcome, I'm always glad to share.
The hole on my grinding stone is about .225 inches (15/64) across.
Cathy
Originally Posted by
JudyTheSewer
Thank you so much for the pictures! I loved seeing them. The manual described how to use it on the WW8 as your picture shows but it is so great to see the picture! I guess I might carry around a WW8 bobbin and attempt to get a grinding wheel. I did online searching and they are still sold - I just will need to get the right size. Thanks so much again for the pictures! I really appreciate it.