Feature: 1. ARCH DESIGN: Imitating industrial level measuring ruler design, the middle of the bow ruler with a horizontal observation device, more accurate positioning, draw a more symmetrical eyebrow. 2. WITH STRING: With cotton thread, which can be replaced, more safe and hygienic, helps to measure eyebrow and draw the perfect eyebrow shape. 3. STURDY AND DURABLE: The body is made of aluminum alloy, which is durable and reusable without deformation, suitable for designing various eyebrow types. 4. SPONGE STRIP: The sponge strip has strong adsorption capacity and is convenient for coloring cotton thread, easy to use and handheld convenience. 5. DROPPER: The transparent dropper is used to draw ink into the sponge strip, which is convenient and reduces mistakes, makes your work perfect. Specification: Item Type: Eyebrow Line Marker Ruler Material: Aluminium alloy, cotton thread, sponge Level ruler liquid: 0.07ml Ruler size: Approx. 22.5 x 5cm / 8.86 x 1.97in Suitable for: Beginners, tattoo artists, can be used in tattoo practice mask, also can design customers eyebrow.. Package List: 1 x Arch Ruler1 x Thread Coil1 x Dropper6 x Sponge Strip