Features: Multiple Measurements: Capable of measuring 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 accuracy during use. Large LCD Display: Instant results can be read in digital numbers, much more practical. Clear Scale: With switchable units (mm / inch) for easy reading. Accurate Measurements: Rigorously tested to ensure accurate results with an accuracy of 0.04 mm. One-Click Clear: Press to zero, then continue measuring, improving efficiency of work. LR44 button battery: Easy to replace, low power consumption and 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 / 10.19 oz Package List: 1 * Digital Caliper 1 * Storage Case