【Premium Quality Standard】Vernier caliper with finely polished stainless steel frame, thumb wheel and locking screw for smooth and accurate use. Hardening process, rust-proof, more durable, longer service life. 【Accurate Measurement】This digital caliper measures up to 150mm with an accuracy of 0.01mm. This allows you to reset to zero and start a new measurement at any point on the scale and instantly convert inches/millimeters with the touch of a button. King size. With 4 measuring functions: inner diameter, outer diameter, depth and scale. 【Extra Large LCD Display】Digital caliper with a large, easy-to-read LCD display that makes reading results clearer. Readings can be displayed in inches or millimeters. Dustproof and oilproof. 【Versatility】This professional digital caliper measures inside, outside, depth and step with two sets of jaws and the probe; With the zero button, you can reset the value during measurement for greater flexibility of use. 【Bonus】This digital caliper is