1[Irregular Edges Ruler] The three different irregular edges rulers allow you to shape your cards or paper into unique forms, adding beautiful elements to your paper crafts. 2[Paper Compatibility] The deckle edges ruler is easy to use with various types of paper, such as card stock, craft paper, watercolor paper, photo paper, inkjet paper. 3[Reliable Material] Crafted from high carbon steel, the metal paper tearing ruler is sturdy, built to last, and designed for long term use, making it an essential tool for every artist. 4[Applicable Machines] These craft rulers can be used in conjunction with die cutting machines, suitable for most brands of machines. 5[Create Unique Cards] With the metal craft ruler, you can create unique cards for your family and friends, delivering your warmest wishes during festivals. 3 x Irregular Edges Ruler