Originally Posted by MzMcKee
That might be harder to find in a quilting ruler. Most quilting rulers will have the 1/2" for the seam allowances. You could try to google carpentry rulers. It's a thought. I'll give it another try and see what I can find. Good Luck!
I have sq quilting rulers in 4"and 6"; I also have them in 4.5 and 6.5. You can get them in both sizes.