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 user habits. VERSATILITY: This caliper is ideal for precise measurements of internal, external dimensions and even depth. Zero function can be used at any time to allow differences between readings to be measured. ACCURATE MEASUREMENT: Precision measurement 0.01 mm, Conversion between inch / millimeter with a push of a button. Its measurement 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 (0.01mm/0.0005inch) LCD display which shows the exact data by pressing the pulley to read the data timely, allowing you to read 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 lightweight, quiet handy and easy to use without accidental scratches. Note: The data is all measured manually, please allow 1-3cm error , due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.