Features: Multiple measurements: Able to measure diameter, inner diameter, step difference and depth, much more practical. Ergonomic design: Comfortable grip, labor saving and stable performance.Quality materials: Made of premium ABS and stainless steel, lightweight and durable.Fine workmanship: Ensures high hardness, wear resistance and high precision during use.Large LCD screen: Instant results can be read in digital figures, which is much more convenient.Clear scale: With switchable units (mm / inch) for easy reading.Precise measurements: Rigorously tested to ensure accurate results with an accuracy of 0.04mm.One-Click Erase: Press to zero, then continue measuring, improving work efficiency.LR44 button battery: Easy to replace, low power consumption and long service life. Specifications: Material: Stainless steelPower supply: 1 * 1.5V 160mAh LR44 button cell (included)Measuring range: 0-150mmResolution: 0.01mmPrecision: 0.04mmProduct size: About 237*77mm / 9.33*3.03inPackage size: About 24*8*3cm / 9.45*3.15*1.18inPackage weight: About 280 g / 10.19 oz Packing List: 1 * Digital Caliper1 * Storage case