Features:1. Vernier calipers are widely used in machining to measure the diameter of the inner hole.2. The vernier caliper is made of carbon steel, solid and durable.3. High accuracy vernier caliper, easy and convenient to use.4. The measuring range is 9-150mm, measuring accuracy is up to 0.02mm.5. Exquisite scale process, laser scale makes it easy to measure and read value.Specification:Name: Vernier CaliperMaterial: Carbon SteelMeasurement accuracy: 0.02mmReading value: 0.02mmMeasuring range: 9-150mmGraduation value: 0.02mmScope of application: machining, measuring the inner diameter of the inner holePackage list:1 * Vernier CaliperNote:1. Please allow 1-2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard..