6" Electronic Digital OD Outside Gage Gauge Spring Caliper 0 to 6-3/4" 3 Way Reading: Inch (0.01 ), Metric (0.1 mm), Fractional (1/64th ) Range: 0 to 6-3/4'' Easy To Use & Easy To Carry Large Clear LCD Display Accuracy: ±0.01 Auto Shut Off Spring-Loaded Travel Strong/Firm Lock Convenient Hold Function Metal Alloy Jaws With Chrome Finish Batteries Not Included Battery Require: (1) 3V CR2032 Qty: 1 Light Item