Doreme presents the Compass Golden Mean Caliper. Golden mean caliper's are designed to make small and accurate measurements for faces or geometric drawings to measure the Golden Mean, also known as The Golden Ratio and Phi, is a ratio of 1:1.618. This caliper is designed specifically for work in the field of cosmetic surgery and eyebrow microblading. This caliper features a removable divider that can be attached on the left or the right, allowing accurate measurements on both sides of the face for perfect symmetry. Made of stainless steel and finely finished in black and gold accents. -