Features: Accurate design, designed with precise scale range of 0-80 mm(0-3.15inches) which can help you measure the accurate scale of different items without making too much efforts, they can show both two units of inch and cm, very convenient to use Package include,3pieces eyebrow measuring ruler. Reliable materials eyebrow measuring ruler make from quality materials,which is light in weight, unbreakable and safe, convenient for your daily carrying, so they will do no harm to your body and can achieve a long time use, they are also comfortable to hold for smooth, won't hurt your skin Classical color,measuring ruler caliper measure tools are designed with classical color, not easy to be outdated Wide application, this sliding gauge measuring tool is suitable for many people in different careers to use, such as brow artists to use in doing eyebrow Tattooes, students in math problems, engineers in their projects, and general people in making handicrafts and other precise measurementstogether with reliable quality, they can accompany you for a long time Specifications: Materials:PP Package Includes: 3Pieces Microblading Eyebrow Ruler note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item.