1、Reduce Asymmetry: Effective in reducing asymmetry, easy to design eyebrow shape, can be used for microblading measurement eyebrow positioning, easy to measure the size of the eyebrow shape. 2、High Flexibility: This ruler is flexible, can be flattened and not easy to break, accurate scale, can be bent at will will not break, easy to measure the shape of the eyebrows. 3、Reusable and Sturdy: The eyebrow shaping ruler is made of premium ABS material, sturdy enough for repeat use. The eyebrow card has scale, so you can draw a more exquisite eyebrow. 4、Precise Measurement: Every time you use the accurate marker, there is no space for mistakes and it precisely helps you create beautiful eyebrow shapes. 5、Applicable Scenes: The eyebrow shaping ruler is suitable for novice eyebrow painting or eyebrow tattooing studio eyebrow measurement use, help you find the most suitable eyebrow shape.