Quickmike,Inch/mm, Range 0 in to 1.2 in, 0 to 30.48 mm, Accuracy +/-.00015 in, Long Form Calibration Certificate No, Dimension Type Inch/Metric, Case Type Case, Maximum Measurement - Inch 1.2 in, Maximum Measurement - mm 30.48 mm, Minimum Measurement - Inch 0 in, Minimum Measurement - mm 0 mm