1This caliper measuring tool is suitable for measuring inner diameter, outer diameter and depth. 2The vernier caliper has high sensitivity, stable and reliable operation, and accurate measurement data. 3The main components are made of special wearresistant stainless steel, which has good wearresistant and rustproof performance. 4Wide range of applications,digital caliper is widely used in the measurement of various mechanical processing. 5Vernier caliper is a commonly used instrument for measuring length in the industry. It consists of a ruler body and a vernier that can slide on the ruler body. Item Type: Caliper Material: Stainless Steel 3 Cr13 Reading Value: 0.01mm Power Supply: 1 x Button Battery 1.5v (Delivered Without Battery) Stroke: 0-100mm Measuring Speed: 1.5m/s Working Temperature: 0~+40 Relative Humidity:1 xCaliper 1 x Storage Box 1 x User Manual The product is a accuracy measuring tool, please do not drop it.