3 Point Microblading Measuring Calipers, Stainless Steel, Eyebrow SPMU Permanent Makeup Tool, Phi Ratio Golden Proportion Divider

For UK-based SPMU and microblading artists who map eyebrows using the golden ratio, these dividers simplify the process. This UK-stocked tool allows you to quickly and accurately mark the three key brow positions—start, arch, and tail—in a single, consistent measurement.

Key features

• Four-point divider mechanism maintains the golden proportion (phi ratio) as the tool is adjusted.
• Constructed from stainless steel with a brushed, non-reflective finish.
• Finely tapered points allow for clear and accurate marking on the skin.
• Smooth, riveted pivot points ensure consistent and repeatable measurements.
• One central point features a slotted design for improved visibility during use.

Who it's for

A core mapping tool for semi-permanent makeup (SPMU) artists, microblading technicians, and cosmetic tattooing specialists. It is designed for practitioners who favour the golden ratio method for architecturally balanced brow design.

Specifications

• Material: Stainless Steel

Quality & compliance

Manufactured to medical-device quality standards by an ISO 13485:2016-certified producer (Cert. PK250801003, LMS Assessments Limited — IAF/EGAC accredited). Operates under ISO 9001 Quality Management with EU MDR Authorised Representative status and full REACH directive compliance for steel and surface treatments. View our supplier certificates.

Free UK delivery · Same-day dispatch before 2pm · 30-day returns