Stainless Steel Eyebrow Ruler, Precise Scale Eyebrow Ruler, Permanent Microblade Eyebrow Measuring Tool, Medical Tools - Gold Description. Three point positioning design with a precise golden ratio to precisely position your eyebrows for a symmetrical pair. Made of high quality stainless steel, it is safe for the skin and durable. Adjustable size allows you to measure all types of eyebrows and draw the perfect shape for you. Not only suitable for people who are just starting out with eyebrow and lip makeup, but also Perfect for professionals. It is easy to carry and easy to use. It can also be used as a common measuring element and is particularly suitable for curves and peripheral inverted circles. Specifications. Material: stainless steel Dimensions: 16 x 4cm Type: Eyebrow Caliper Function: Positioning tool for measuring the shape of eyebrows Package includes: 1 x eyebrow caliper Caution. Due to the manual, please allow for a slight 0-1 cm variation in measurement Colours may vary depending on the light and the way you view the item. Thank you for your understanding and attention. Enjoy your shopping!