SPMU Eyebrow Mapping Tool – Pre-Ink Dyeing Liner Ruler for Microblading

Professional pre-ink mapping ruler for SPMU eyebrow procedures. The ink-tipped liner marks measurement points directly on skin, making it simple to achieve symmetrical, proportional brow designs before a single stroke is placed.
Pre-inked for instant, clean measurement marks
Helps map consistent brow symmetry on any face shape
Essential tool for professional microblading and PMU brow mapping
Hygienic single-use design