Replaceable Cotton Thread Designed with a gentle, inked cotton thread that can be easily replaced, ensuring a hygienic experience for every use. This feature provides clients with peace of mind by maintaining cleanliness and reducing the risk of contamination. Ideal for professional settings where multiple clients are served in succession. Adjustable Bow Ruler Equipped with a middle screw adjustment, the bow ruler can be customized to fit each client's unique face shape and size. The adjustable design maintains its form even after repeated use, offering consistent accuracy during measurements. Suitable for both beginners and experienced professionals seeking precise eyebrow mapping. Inked Mapping Strings with Storage Box Includes inked mapping strings conveniently stored in an integrated box. This eliminates the need for multiple separate accessories, helping maintain a tidy workspace. Accessing strings is quick and mess, allowing you to focus entirely on the procedure rather than setup. Easy Installation Locking Wire Device Features a locking wire mechanism at both ends, making the microblading eyebrow ruler significantly easier to install compared to traditional bow rulers. This saves setup time and ensures a secure, stable fit during use. Usage Scenarios 1. Professional microblading or permanent makeup technicians using the ruler for accurate eyebrow shaping and symmetry. 2. Beauty salon services where quick and hygienic preparation is essential for client turnover. 3. Training environments where ease of adjustment and installation supports learning accurate techniques. Specifications and Performance Material: Durable components with replaceable cotton thread for hygiene. Adjustment Range: Fits varying face shapes and sizes without deformation. Function: Designed for eyebrow mapping, ensuring precise measurements. Compatibility: Suitable for use in professional beauty studios, salons, and training facilities.