Starret 799 Digital Caliper

This 6" precision caliper features easy-to-read numbers, long wearing carbide faces and a hardened stainless steel body for a lifetime of service. Powered by two 3 volt batteries with automatic shut off. Resolution is .0005" (0.01mm), displayed in inches or millimeters.FeaturesKnife Edge Measuring Contacts (both Inside and Outside)Thumb Operated Fine Adjustment RollOn/Off ButtonAutomatic OFF after 5 minutes of non-useInstant Inch/Millimeter ConversionZero at Any PositionThree Volt Battery (CR203