Thanks to all.
I don;t think that anyone can help the Mets!
Yes, it's a simple scope job. It's just that I want to minimize the down time because I have a ton of work to take care of. Plus my 90 year old dad is coming out of rehab from his hip surgery.
John, would a micrometer or dial indicator be helpful in measuring? I'll take your advice, since you are the smartest guy I ever met!

I was thinking of riding on Billy's shoulders for a few weeks, you remember, the guy that delivered the sheetmetal to your place
Thanks