What are you looking to check? In the shop 1" was kinda the standard but that was different work than what you're doing. You probably won't need 1" travel for run out but possibly to get access. Probably didn't answer your question but trying to get a feel for what you're going to do or will do...
First I would like to thank you for the thread. I really enjoy this and this is what I do to wind down in the late evening. You mentioned about possibly purchasing an indicator and/or micrometers. I was a machinist for 20 yrs. before moving on to something else. You should be able to get a...