A metal compass is a professional tool for creating the perfect shape for tattooing eyebrows, lips, and arrows. With the help of a compass, you can create a sketch of a harmonious shape for each client with individual proportions. To make perfectly identical eyebrows, they use the principle of the golden ratio, which came to us from the Renaissance era of Leonardo da Vinci. The Leonardo brow compass will surely help every brow artist to achieve perfect symmetry when performing procedures such as correction, tattooing, microblading and coloring. The tool is made of surgical steel, does not creak, is durable and easily opened. The tool will make it possible to determine the indentation of the distance between the eyebrows, the height, width, length of the tail. With the help of such a device, it is easy to model perfectly identical eyebrows.