Feature:1. ACCURATE DESIGN: This eyebrow ruler adapts to a three point positioning design, allowing you to have an easy, convenient use experience.2. MULTIFUNCITON: Ideal for eyebrow tattoo, the art students, makeup, sculptures artists, designers, dentists, wood working, ceramic or clay artwork and architects.3. GOLDEN RATIO: The ruler unfolds using the golden ratio, which is recognized as the perfect ratio, and with the aid of the ruler, it is more convenient to draw eyebrows.4. EASY TO USE: Flexible adjustable proportional arm. Can be used by both left and right hand, easy to carry and easy to carry with makeup bag.5. CHARACTERISTICS: Simple and fast, convenient and symmetrical, positioning and measuring eyebrows, suitable for professional tattoo artists and beginners.Specification:Item Type: Eyebrow Golden Ratio CaliperMaterial: Stainless steel.Package List:1 x Eyebrow Golden Ratio Caliper