【Precision】Kynup digital caliper measuring tool has a measurement range of 0 - 6''/ 0 - 150 mm; accuracy to ±0.001”/0.02mm and resolution to 0.0005"/0.01mm. Perfect and accurate caliper measuring tool for household or DIY measurement. Please choose stainless steel caliper measuring tool for more accurate measuring. | 【3 Units Conversion】 You can switch 3 different readings with the micrometer caliper: inch, mm and fraction based on your habits with the push of a button. Press the on/off button, slide the digital dial caliper to anywhere, then you can read the values on the display. And you can reset it to zero by zero button. | 【Rest Assured Quality】 The body of the dial caliper measuring tool is constructed using finely polished stainless steel with a knurled thumb roller and locking screw that ensures smooth sliding and accurate positioning when taking measurements. | 【4 Measuring Ways】Kynup vernier caliper comes with two sets of jaws and a probe, which are easy to measure depth, step, external and internal diameter, making all your objects measurable. 3 batteries are provided: one installed and other two as spare batteries | 【Wide Application & Auto Off】The 6 inch metric measuring tools is always used by professionals and hobbyists alike, by jewelers, hobbyists, woodworkers, DIY. Auto shutdown for saving battery after within 6 minutes if without operation