Measuring range 0 to 80 mm (0 to 3.5 inches), with an accuracy of 0.005 inches (0.01 mm). Dual scale in cm and inches for easy reading. Made of high-quality plastic, it is ideal for measuring delicate items such as jade, jewelry, and buttons without causing damage. The thin caliper design allows for precise measurements without scratching the surface of the object. Provides instant readings for greater convenience compared to micrometer calipers. Suitable for measuring button diameter, shank diameter, jadeite jewelry, and similar items. Lightweight and practical, it is also suitable for use as a teaching aid or school supply for students. Capable of basic measurements including length, height, depth, inner diameter, outer diameter, and more. Package includes: 2 vernier calipers in orange.