For eyebrow use: With double scale plastic rulers, it's convenient to measure and locate your eyebrows and to the eyebrows, eyeliner and lip are symmetrically positioned, so you can determine the position, length and size of .Lightweight and portable: The lightweight property of this tattoo eyebrow ruler makes it possible to be carried around, when you're out for business trips, vacation and visit, you can put it in your small suitcase, backpack, the toolkit and so on without causing too much burden on you.Note: Pointed and small items included, keep from children.Name: Mini CaliperModel Number:Eyebrow RulerType: eyebrow toolsType: for Student OfficeType:Vernier Calipercolor:As shownMaterial:plastic+metalPackage Contents:5 x CaliperOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.