I use these and love them. I do not have the glow edge and they are not rulers but just hold the fabric in place while cutting.
Originally Posted by
Prism99
How would a ten inch ruler be a timesaver for 9 inch squares?
edit: I googled glow edge ruler and found a number of sites. My fave rulers are glow edge, but they are the Quilter's Slidelock rulers with wood handle on top and retractable grippers.