Features • Dual Scale Convenience: Features both mm and inch readings for versatile use, making it easy to switch between measurement systems without confusion • Precision Measurement Assurance: Offers a measurement accuracy of 0.02mm, ensuring reliable results for all your projects, from crafts to industrial applications • Durable Carbon Steel Design: Crafted from high hardness carbon steel, this tool is built to withstand wear and tear, providing longevity and consistent performance • Versatile Measurement Capabilities: Effortlessly measure length, inner and outer diameters, and depth, making it ideal for a wide range of materials like gems and stones • Essential Tool for Various Applications: Perfect for home use, industry, and crafts, this caliper is a must-have for anyone needing precise measurements in their work Features: 1、Double scale reading mm / inch. 2、Accurate measurement, easy to read. 3、Made of high hardness carbon steel, proof and in use. 4、Easy to measure length, inner/outer diameter, depth of objects. 5、A must tool for home, industry, crafts applications to measure stone, bead, gem, jewelry and more. Specification: Features: Double scale reading mm / inch. Accurate measurement, easy to read. Made of high hardness carbon steel, proof and in use. Easy to measure length, inner/outer diameter, depth of objects. A must tool for home, industry, crafts applications to measure stone, bead, gem, jewelry and more. Specification: Material: Carbon steel Measuring Range: 0-150mm Accuracy: 0.02mm Package Weight: Approx. 308g/10.8oz Package List: 1 * Vernier Caliper Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List