Material: The caliper is made of high quality plastic, stain resistant, durable, smooth when measuring, accurate positioning. Unit conversion: The caliper measuring tool can quickly switch between metric millimeters and inches by repeatedly pressing the mm/in button. Measurement method: Calipers can be used to measure the inside diameter, outside diameter, depth, step length, the measurement process is also very convenient, LCD display, easy to read accurate data. Wide application: This vernier caliper is suitable for most measuring scenarios and is the best choice for mechanics, woodworkers, jewelers, artisans, hobbyists, auto mechanics and more. Date First Available February 14, 2024