Digital Indicator, Series Series 543, Resolution 0.01 mm, 0.0005 in, Accuracy +/-0.001 in, Range 0 in to 0.5 in, Bezel Rotates 330 Degrees , Long Form Calibration Certificate No, Features With SPC Data Output, Flat Back, Includes Battery This electronic indicator features an LCD display, zero set, On/Off function, hold function, In/mm conversion, and 3/8" stem.