EBay 【ACCURATE MEASUREMENT AND ZERO SETTING】This digital caliper slides smoothly. Measuring range: 0 -6" / 0-150mm; Accuracy: ± 0.001"/ 0.02Mm; Resolution: 0. 0005"/0. 01Mm. Smart design allows you to easily reset to zero by pressing a button and start a new measurement at any point on the scale, which is very suitable for differential measurement. 【4 MEASUREMENT MODES】The caliper tool has 4 measurement modes, which can be used to measure inside and outside diameter, depth and step with two sets of jaws and a probe. Multiple measurement modes can bring more usage scenarios to people, and the measurement process is also very convenient. 【UNIT CONVERSION & LARGE LCD SCREEN】These Digital Calipers have a one-key button to quickly switch from inches (inch), fractions (F), millimeters (mm). The 6" digital caliper has a large LCD DISPLAY which is easy to use and read. What's more, it will automatically turn off after 5 minutes of non-use to save power. 【WIDE APPLICATIONS】Compared to the ordinary rulers, this stainless steel caliper can measure not only length but also caliber and depth, allows you to measure circular and cylindrical objects, more functions and better performance will satisfy you. It has always been used by professionals and hobbyists alike, jewelers, hobbyists, woodworkers, machinists, DIY, automotive mechanics, and more.