HIGH ACCURACY: This digital caliper adopts glass fixed grid craft, which effectively prevents the caliper measurement accuracy caused by humidity, magnetism and other effects, and greatly ensures the stability of the measurement. Measuring Range: 0-6 inch/0-150mm; Accuracy: 0.001 inch/0.02mm; Resolution: 0.0005 inch/0.01mm EXTRA-LARGE LCD DISPLAY: The screen is upgraded to 49 * 18mm for easy reading. Digital calipers are available for internal, external, depth and step measurements by four measuring jaws and a depth bar. Thumbwheel and locking screw make it easy to get reliable, accurate measurements. 2 units conversions: inche and millimeter; zero setting at any point of the measurement HIGH QUALITY CALIPER & AUTO ON/OFF: The body of the caliper is made of first-class thickened stainless steel (approx. 3.5mm), waterproof, wear-resistant, rust-resistant, with good fit and finish. The internal/external measuring jaws and depth measurement are well connected, no paper jams. Greatly reduc