Specification: This dial scale is measured in centimeters and has a range of 0-150mm, a dial scale of 0.02mm and a circle equivalent to 2mm. Material: Caliper measuring tool contains a finely polished stainless steel frame with knurled thumbwheel and locking screw to ensure smooth sliding and precise positioning during use. Scale: The scale Dial indicator of the measuring caliper is clear, reading is intuitive and convenient, and the tempered glass cover can prevent scratching the coating. Purpose:The dial indicator can accurately measure the external dimensions (OD), internal dimensions (ID) and depth. Used in metal processing, woodworking, automobile and mechanical processing applications. Exquisite packaging: The dial caliper is packaged in a specially designed black plastic box which can perfectly protect the caliper from abrasive wear. And it's easy to carry.