1、ALUMINUM ALLOY MATERIAL: The probe is made of premium aluminum alloy material, providing excellent wear resistance and anti embroidery performance. M2.5 thread. detachable and interchangeable with other sizes. 2、DIGITAL DISPLAY: Featuring a digital display, this dial indicator operates on a 3V voltage and shows measurement results clearly for accurate readings. 3、MEASURE DETAILS: This dial indicator has a 0.00005in/0.001mm resolution, and 0 to 30mm/1.18in measuring range, check for better user experience! 4、APPLICABLE SCENES: This digital dial indicator probe guarantees accurate measurements without any reading errors, suitable for mechanical, industrial processes, and laboratory applications. 5、IDEAL TOOL FOR MEASUREMENT: Upgrade your measurement tools with this digital dial gauge, offering a convenient and accurate solution for various industries and applications.