Golden Ratio Stainless Steel Caliper

Golden mean stainless steel calipers with detachable / attachable 4th leg for precise eyebrow measurement Golden Mean Calipers will help in finding correct proportions in makeup application. This tool is a great addition to any permanent makeup studio A must-have for beauticians, estheticians and professional makeup artist Measures the Golden mean, also known as the Golden ratio and Phi is a ratio of - 1:1.618 Used extensively in Microblading and other beauty procedures How to use calipers in Microblading Fully reusable