Features: Multiple Measurements: Capable of measuing diameter, inner diameter, step difference and depth, much more practical. Ergonomically Design: Comfortable grip, saving labor and stable performance. Quality Material: Made of premium ABS and stainless steel materials, lightweight and durable. Fine Workmanship: Ensures high hardness, wear resistance and high accuracy when in use. Large LCD Display: Instant results can be read in digital numbers, much more convenient. Clear Scale: With switchable units (mm / inch) for easy reading. Accurate Measurement: Strictly test to ensure precise results with ±0.04mm accuracy. Clear with One-click: Press to zero and then continue to measure, improving working efficiency. LR44 Button Battery: Easy to replace, low power consumption & long service life. Specifications: Material: Stainless steel Power Supply: 1 * 1.5V 160mAh LR44 button battery (included) Measuring Range: 0-150mm Resolution: 0.01mm Accuracy: ±0.04mm Product Size: Approx. 237*77mm / 9.33*3.03in Package Size: Approx. 24*8*3cm / 9.45*3.15*1.18in Package Weight: Approx. 280g / 10.19oz Packing List: 1 * Digital Caliper 1 * Storage Case