Item Type: Eyebrow Line Marker Ruler Material: Aluminum, cotton thread. Level Liquid: 1ml Ruler Extended Size: Approx. 23 x 7cm / 9.06 x 2.76in ruler Folding Size: Approx. 10.8 x 5cm / 4.25 x 1.97in Use: Suitable for beginners and embroiderers to design eyebrow shapes for customers. Package List 1 x Eyebrow Line Marker Ruler 1 x Thread Coil 1 x Plastic Box 1High 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. 2Easy 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. 3Clean 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. 4Foldable 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. 5Free Mapping: The bow shaped ruler is sturdy and durable, can be reused without deformation, and is suitable for designing various eyebrow shapes.