Alumicolor Alumicutter, Safety Ruler and Straight Edge, Aluminum, 36 inches, Silver (1316-1)

Just what I needed to cut foam boards with a disposable cutter, Exacto, or Stanley knife. If it wasn't clear, there are two important features. One is that if has a non-slip strip on the bottom. And it has a distinct finger trough and thick edge along one edge. With the combination of those two features, you can use enough pressure to confidently hold the rule in place as you cut. You're unlikely to slip off and get you fingers into the path of the blade, and it wont slip. That's especially important with foam board, because to get a clean edge, you must make two cuts, and obviously, the ruler can't move between them.

perfect for my needs. It has a rubberish backing to keep it from sliding when needing to make cuts. the finger rail helps keep the ruler in place and avoid cutting yourself during cuts. The ruler is perfectly straight. I did buy it slightly used so there was a dent in one corner but it doesn't affect the ruler at all. Definitely recommend if you need a large ruler and need to cut materials at times

Great safety ruler with protective edge to protect hands and aid in straight cutting with circular cutter

Added to my sewing rulers.

Its in great quality, safe to use, protect your hand when you cutting.