Pin Gauge Set, Material Steel, Diameter Increment 0.001 in, Diameter Range 0.7510 in to 0.8320 in, Gauge Type No-Go (Minus), Number of Gauges 82, Overall Length 2 in, Tolerance +/-0.00020 in, Tolerance Class ZZ, Hardness RC 60/64, Included Certification Certificate of Inspection, Includes Handle Yes, Long Form Calibration Certificate No, Dimension Type Inch