For safer rotary cutting with rulers measuring 10 inches and longer. 

• Transparent purple acrylic lets you read your ruler markings through the ruler handle
• Ruler markings are clearly visible on both clear and yellow rulers
• Mitered edges allow you to attach the ruler handles to corners of square rulers.
• Clear adhesive dots included to attach the handles to your ruler.
• You can see the ruler's markings through the adhesive and the ruler.
• Adhesive is strong enough to allow you to pick up and reposition rulers using the handle.