Feature:1. High Accuracy: A bow shaped level measuring ruler equipped with a horizontal observation device in the middle, making the positioning more accurate and the drawn eyebrow shape more symmetrical.2. Easy Leveling: The cotton thread in a sealed box, take as much as you need, and don't worry about the ink overturning and dirtying the desktop. At the same time, it has little accessories and it is simpler and more convenient to use.3. Clean for Use: The cotton thread can be replaced, making it safer and cleaner. The eyebrow ruler is equipped with a locking device at both ends, making it easier to install and fix.4. Foldable Design: The bow shaped ruler is designed to fold and store without occupying any space. At the same time, the size of the eyebrow ruler can be adjusted through the screw in the middle of the eyebrow ruler according to the size of your face, making it more convenient to design the eyebrow shape for you.5. Free Mapping: The bow shaped ruler is sturdy and durable, can be reused without deformation, and is suitable for designing various eyebrow shapes.Specification:Item Type: Eyebrow Line Marker RulerMaterial: Aluminum, cotton thread. Level Liquid: 1mlRuler Extended Size: Approx. 23 x 7cm / 9.06 x 2.76inruler Folding Size: Approx. 10.8 x 5cm / 4.25 x 1.97inUse: Suitable for beginners and embroiderers to design eyebrow shapes for customers. .Package List:1 x Eyebrow Line Marker Ruler1 x Thread Coil1 x Plastic Box