HIGH QUALITY STAINLESS STEEL MATERIAL: Made of stainless steel, very robust and durable, ensures a long life; Two units mm and inch, suitable for different habits of users. VERSATILITY: This caliper is perfectly suited to precise measurements of internal, external dimensions and even depth. Zero function can be used at any time to allow differences between measurements to be measured. ACCURATE MEASUREMENT: Precision measurement 0.01 mm, Conversion between inch/millimeter with a simple press of a button. Its measuring range is 0-150mm, and it can be used for precise measurement. READABLE LARGE LCD SCREEN: The electronic calipers are equipped with a readable and high resolution LCD screen (0.01 mm / 0.0005 inch) which displays the exact data by pressing the pulley to read the data in in due time, which allows youread and record quickly. Description: This electronic digital caliper can measure inside, outside, depth and steps with two sets of jaws and probe.Its Measuring range is 0-150mm, and it can be used to measure accurately. Made of high quality plastic, it is light, quiet, handy and easy to use without accidental scratches. Features: Measure inside, outside, depth and step with two sets of jaws and probe. Its measuring range is 0-150mm, and it can be used for precise measurement. A quick change button between two Measuring modes: inches and millimeters. Very large LCD screen for ease and clarity reading. Press the on/off switch button, or simply Features: Material: Plastic Color: Black Measuring range: 0 ~ 150mm Unit of measurement: mm, inch Accuracy: 0.1 mm Measurement error: 0.2 mm Package included: 1 * Digital Caliper Note: 1. Please allow 0~1 inch error due to manual measurement.Thank you for your understanding. 2. monitors are not calibrated same, item Color displayed in photos may be showing slightly different from the real thing object.Please take the real standard.