Check the listing for details. Golden Mean CALIPERS Ruler Eyebrow Microblading Permanent Makeup Ratio Measure. Condition: New. Listed at 25.00 USD. eyebrow tattoo luxury ruler small This item ship from New York USAProduct descriptionHigh quality, easy to use, new uniquely designed Golden Mean Gauge calipers. Ideal for any student of biology, art, mathematics or anyone involved in any kind of art or design. The Golden Mean Gauge clipper will offer the ultimate precision needed to measure and create something amazing. This stainless steel instrument is crafted with a great sense of design, compactness and usability. Its main purpose is to measure the Golden Mean or alternatively known as Golden Ratio. Subsequently it measure Phi as well. The Golden Mean Calipers are also extensively used for microblading. Get one of the best and most quality Golden Mean Calipers at a special price!Product information 4.5 x 0.1 x 1.6 inches