Adopting high quality non-toxic material, this will to and durable to use. Help to accurately position in eyebrow shaping and a pair of symmetrical satisfaction brows. With this caliper, it could be more accurate for those who are in the beginning of the permanent makeup eyebrow and lip. Adjustable size allows it to measure kinds of eyebrows and paint the most suitable eyebrow shape. Fordable design, easy to carry and convenient to use. Type:Tattoo accesories Name: eyebrow calipers Application:for microblading eyebrow beginner Color: silver Material: Alloy Package Content: 1* eyebrow shaping ruler 1* small wooden box Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed is +/- 1-3cm.