Features Double Scale Reading: Accurately measure in both millimeters and inches, providing flexibility and convenience for a variety of measurement needs. Accurate Measurement: Ensure readings with an accuracy of 0.02mm, facilitating reliable and error- measurements. High Hardness Carbon Steel: Crafted from and proof high hardness carbon steel, guaranteeing long-lasting performance and resilience in various usage environments. Versatile Measuring: Easily measure length, inner/outer diameter, and depth of objects, making it ideal for a wide range of applications in home, industry, and crafts. Essential Tool: A must-have tool for measuring stones, beads, gems, jewelry, and more, catering to diverse professional and DIY applications with precision and ease. 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