First, to get every block at exactly 8 1/2" is a challenge. For me, I think it is unacceptable if it is more than 1/4" off. I would really like to see no more than 1/" difference. This is a good time for everyone to check their 1/4" to make sure the block is really close to 8 1/2" as requested.
Last edited by Jannie; 08-21-2016 at 04:55 PM.