Feature: 1. Pupil Measure: Eye ophthalmic ruler tool helps you to measure pupil distance, and can be used for eyesight tests at home, schools, hospitals, etc. 2. Comfortable Hold: Pupil distance meter with a handle, effectively prevent slip and ensure accurate data, which is comfortable for you to use. 3. Package Included: A total of 5pcs pupillary distance rulers, with clear data marking, which is suitable for ophthalmologists and opticians use. 4. Compact Size: Eye distance ruler is small in size and light in weight, which is easy to carry in your bag, and allow you can use it anytime and anywhere. 5. Excellent Plastic: Eye pupillary distance ruler is made of high quality plastic material, with smoothing edges, which will not hurt your skin. Specification: Item Type: Pupil Distance Meter Material: Plastic Purpose: To help you measure pupil distance. Package List: 5 x Pupil Distance Meter