Features ★ Digital Thickness Gauge Specification - Measuring Range: 0 to 200mm/0 to 8 inch, Reading Value: 0.1mm/0.005 inch, Accuracy Error: 0.2mm/0.01 inch, Battery: CR2032 3v button battery x 1 (shipped without battery), Material: Alloy Jaws ★ Metric to English Conversion - The Thickness Outer Diameter Measuring gauge OD Caliper can measure in mm, inches or fractions of an inch. Fitted with an easy to read LCD display. ★ Locking Screw - The spring action mean the jaws spring open easily and can be locked off with the securing screw or the reading saved using the "Hold" function. Lock the current position clockwise and release it counterclockwise to release the lock. ★ Easy to Use - The 8" Digital Outside Caliper is designed for measuring the outer dimensions of workpieces, bowls and turned objects wall thicknesses. The digital External Caliper gauge comes with alloy jaws with a chrome finish and a convenient handle for easy measurements. ★ Wide range of Applications - This digital thickness caliper measuring tool measures outside diameters, steps and tube thicknesses, Make quick, accurate outside measurements with these new, high quality digital calipers, Perfect for shop and household/DIY measurements 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