Item Digital Height Gauge, Counter Type Electronic, Mechanism Driving Wheel, Construction Steel, Display LCD, Resolution 0.0005 in/0.01 mm, Range 0 in to 24 in/0 to 600 mm, Accuracy +/-0.002 in, Base Steel, Battery CR2032, Features Move the Digital Unit to Turn On Power, Includes Carbide Tipped Scriber, Dial Test Indicator Holder