Can anyone help me decipher the measurement on this drawing?

The one for drilling the 3 holes

Is it .560 thousandths off the Centre line?

Was just trying to find where I installed it on my wagon... No luck! (lol) It's been talked about it on here many times... just search....

http://canadianponcho.activeboard.com/t58369442/installing-big-block-sway-bar/