INSIZE High Accuracy Digital Indicator This High Accuracy Digital Indicator uses linear ball bearings for long lasting, repeatable measurements. Digital Indicator specifications... 0-0.5" / 12.7mm Measuring Range Selectable Resolutions... 0.00001" / 0.0002mm 0.00005" / 0.001mm 0.0005" / 0.01mm +0.00006" Accuracy Flat Back 3/8" Diameter Stem Includes Lifting Knob Functions include... Data Output / Tolerance / Data Preset / Data Hold / MIN-MAX-TIR / In-mm Indicator Dimensions... A: 3.047" B: 1.024" C: 0.976" D: 0.157" Diameter