Feature:1. Material: Made of plastic, which is rust-proof and lightweight.2. Great tools for measuring small things.3. Marked in millimeters and inches. Measure the depth, height, inner and outer diameter.4. Lightweight, durable design, use these smooth moving sliders to quickly measure inside, outside, stride and depth.5. Application: Suitable for: jewelry measurement, antique measurement and industrial applications. Specification: Product Name: Calipers Material: Plastic Accuracy: 1mm Measuring Range: 0-80mm Total Length: (Approx.) 107mm Optional Color: Pink, Rose Red Suitable for: Depth, Height and Diameter Measurement Application: Jewelry measurement, school, exhibition gift, antique measurement. Quantity: 1 pc Package includes: 1 x clamps Note: 1. Transition: 1cm=10mm=0.39 inch.2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual measurement deviation for the data.