Features: 1. As long as you have this product, plaything39;s measurement is no longer a trouble2. The product is made of high-quality brass, with good wear resistance, practical and durable.3. Double-scale measurement, and when the caliper is closed, the vertical line below is aligned with the number 0 in the center of the ruler, so the preceding blank does not affect the accuracy of the measurement.4. The product uses a laser-scale, allowing you to get the data accurately.5. After-sale Service: If you have any questions, please contact us immediately and we will help you solve it as soon as possible.Specifications: Weight: 36gMaterials: BrassMeasuring range: 0-80mm/0-3.25inRanges of Application: Jewelry, olive pits, bodhi-seeds and other small objects. Package List:1 * Caliper