Ha, thats funny. Im too simple to have a bunch of tools. I have one ruler that I use. I own a handful or so, but don't use them. I have a 5" lipped ruller It is as long as my mat is wide. It is all I ever use, has all the markings I need down to an 1/8" then all the angle lines.
With my mat in one hand and my ruler in the other I shall RULE THE QUILTING WORLD!!!!!!