Features: Achieve precise glasses adjustments with this mini plastic calipers. This tool allows for accurate measurements. Make from plastic, this mini calipers is lightweight and easy to carry. Its designs enables quick and accurate measurements, providing convenience for professional and DIY alike. Suitable for various eyewears user, including those with nearsightedness, farsightedness, and presbyopia. Whether you're adjusting your own glasses or working in the eyewears industry, this ruler is a essential tool. This plastic calipers can be used in different setting, such as home, in store, or during fitting. It ensures precise measurements, helping to achieve a comfortable fit for all type of eyewears. Improve your eyewears experience with this mini plastic calipers. Say hello to accuracy and convenience. Get your hands on this reliable tool today and enjoy perfectly adjusted eyewears. Specifications: Material: Plastic Range: 0-80mm Package Includes: 1x PD Ruler note: Please allow 1-2cm errors due to manual measurement, make sure that do not mind before order. Due to difference between different monitors, the picture may not reflect the actual color the item.