Features METRIC TO ENGLISH CONVERSION: mm in F button switch, unit conversion button, short button to use metric to English conversion (F for fraction function). LCD DISPLAY SCREEN: Using a LCD display screen to display measured values. Clear and easy to read. LOCKING SCREW: Lock the current position clockwise and release it counterclockwise to release the lock. EASY TO USE: The digital gauge comes with alloy jaws with a chrome finish and a convenient handle for easy measurements. SCOPE OF APPLICATION: Suitable for measuring the thickness of various types of plates; Used for thickness measurement in various types of mechanical processing. Specification: Item Type: Digital Thickness Gauge Material: Alloy Jaws Battery: CR2032 3v button battery x 1 (shipped without battery) Specification: 0 to 200mm/0 to 8in Reading Value: 0.1mm/0.005in Accuracy Error: 0.2mm/0.01in Clear reading, small and exquisite, easy to use Application: Widely used for thickness measurement in various types of mechanical processing Package List: 1 x Digital Thickness Gauge  Package List 1 x Digital Thickness Gauge