• Type: Bore Gauge • Minimum Measurement (Decimal Inch): 0.4 • Gage Depth (Inch): 4" • Maximum Measurement (Decimal Inch): 0.7 Asimeto Certified Bore Gauges measure diameters of small holes by converting the radial displacement to axial displacement of a measuring rod, which is shown on the digital indicator. Additional accessories to extend the range of our Bore Gauges are available . Furnished With: Warranty card, Instruction manual, Calibration certificate, Features: • Resolution: 0.00005"/0.002mm • Dynamic carbide contact point • Has analog sweep display to determine minimum reading • Plate guide and fixed anvils