PLAID-Create beautiful torn edges quickly and easily with these 322 tearing rulers. The 12 sizes makes it a perfect tool for scrapbooking. Each tearing ruler is made of heavy duty colored aluminum and each has a large tearing edge on one side and a small edge on the other side. Rulers have a
-0- centering mark for cropping and alignment they also have an inside flat edge to measure and draw straght lines.