Put These 1/2" High Finger Guards Between You and the Rotary Cutter
Easy to Attach - Easy to Remove
11 3/4" long by 1/2" high (2 count)
Made of virtually unbreakable Polycarbonate
Yes, if you center them on your 14" or 18" rulers, you can still keep your hand behind the barrier while cutting.
If You Need the Suction Cups to Hold Longer, Get Them Wet
If the surface of your ruler is clean & free from scratches
Suction cups work by creating a vacuum when you press them down. They will stay attached until air leaks in.
That's why you want to make sure your ruler is clean and free of scratches so it can create a tight seal.
If you put a drop of water on them, the water will keep air from leaking in until it completely evaporates. With a drop of water on them they can hold for several days.