Calibrated height gauge measures (0 to 300mm) with 0.0005 (0.01mm) resolution and + or - 0.0015 accuracy, for marking or measuring the height of objects LCD screen displays 10mm characters in inches and metric units Scriber is carbide-tipped for durability and column is rigid for accuracy Hand-operated feed wheel for adjustments Includes a Mitutoyo Certificate of Calibration that the tool has been calibrated, and meets the International Organization for Standardization/International Electrotechnical Commission (ISO/IEC) 17025 International Standard for testing and calibration laboratories