STAINLESS STEEL MATERIALThe vernier caliper is made of high-strength stainless steel and is waterproof and dirt-proof. The service life of this stainless steel digital caliper is longer than that of calipers with plastic or carbon fiber parts. ACCURATE MEASUREMENT AND ZERO SETTINGThis digital caliper glides smoothly. Measuring range: 0 -6' / 0-150mm; Accuracy: ± 0.001'/ 0.02mm; Resolution: 0. 0005'/0. 01mm. At the same time, the 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 MODESThe digital caliper 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 & LARGER LCD SCREENThese Digital Calipers have a one-key button to quickly swit