Also known as the Golden Mean Caliper, this reusable steel tool provides precise measurements based on the Golden Ratio (Phi ratio 1:1.618) prior to microblading and all eyebrow treatments. An essential tool for achieving perfectly proportioned, symmetrical brow design.
Key Features
Steel construction — durable and reusable
Golden Ratio / Phi ratio 1:1.618 for mathematically precise brow mapping
Essential pre-treatment measurement tool
Suitable for microblading, PMU and all eyebrow treatments
