Come and see our amazing products. This digital caliper measuring tool has a measurement range of 0 to 6"/ 0 to 150 mm accuracy to negative/positive 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.You can switch 2 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. Pls confirm further with us if any query about packing info, inventory status and time schedule.