Standard Pack = 1 piece(s). Type = Indicating Snap Gauge ; Range = 0 To 1 Inch ; Anvil Retracting Stroke = 2 MM ; Flatness = 0.000012 Inch ; Parallelism = 0.000024 Inch ; Indicating Range = +/- 0.0023 Inch ; Graduation Dial Comparator = 0.001 MM ; Measuring Surfaces = Carbide Tipped, Micro-Lap Finish 10.8 MM ; Measuring Force = 5 To 10 N ; Digital/Analog = Analog ;