【High Precision】Industrial grade stainless steel digital caliper measurement range: 0~6inch/150mm, accuracy: ±0.001”/0.03mm, resolution: 0.0005"/0.01mm. A locking screw for accurate positioning 
【Measurement Versatility】Adoric caliper measuring tool is suitable for precise measurement of internal & external diameter, step and depth with its two sets of jaws and a probe. Eliminate all guesswork 
【Extra-Large LCD Screen】Makes you get clear readouts easily and quickly. Auto shutdown in 5 minutes helps you save battery power. This vernier caliper provides 2 batteries in total for long time use 
【Inch/mm/Fraction】Electronic micrometer caliper has 3 units available: inch, mm and fraction, one button to switch. Besides, a unit conversion chart on the back in case of your unexpected needs 
【Zero Setting Function】Easy to set zero at any point by pressing the zero button, allows you to start a new measurement at once. Also zero calibration provides precise results when readouts are not accurate