Get flawless, professional-grade measurements instantly with this High-Precision 6-Inch (150mm) Digital Vernier Caliper. Perfect for engineers, mechanics, woodworkers, DIY hobbyists, and jewelers, this tool takes all the guesswork out of reading manual scales.Featuring a clear, extra-large LCD display, it delivers immediate readings down to the fraction of a millimeter or inch. It supports 4-way measurement modes, allowing you to seamlessly measure external diameters, internal diameters, depth, and steps.The smart zero-calibration button allows you to reset at any position for differential (relative) measurements. Built with a smooth-gliding locking thumb screw, it ensures your measurements lock firmly in place for accurate recordin