Specifications Item Name: Vernier Caliper Material: Plastic Color: black Size: 24*8cm Measurement range: 0-150 mm / 0-6 inch Resolution: 0.1mm / 0.01 inch Accuracy: 0.2mm / 0.01 inch Measure: outer diameter, inner diameter, step length, and depth Measurement unit: inch and millimeter Package Included: 1Pc Vernier Caliper Features Precise MeasurementMeasurement range: 0-6 inch / 0-150 mm, resolution: 0.1mm, accuracy: 0.2mm. The internal components of the linear capacitance measurement system can ensure that there will be no data deviation during measurement, which can meet all your precise measurement needs. 4 Measuring Methods---The upper and lower ends of the caliper have a large jaw and a small jaw, respectively, and a long handle at the tail. And it can be used to measure the outer diameter, inner diameter, step length, and depth of the object. Millimeter Inch Conversion---One button quick switch between two units: inch and millimeter, definitely save your time and can get precise readings in all your measurement needs. Large LCD Screen ---The digital vernier caliper has an extra-large LCD screen, which can provide a clear LCD screen with a resolution of up to 0.1 mm, and display accurate data for you to record and read. Zero Setting--- The smart zero setting design allows you to set zero with an easy touch of a button and start a new measurement at any point of the scale, ideal for differential measuring.