Rectangular Gauge Block, Long Form Calibration Certificate No, Material Steel, Application Grade Working, Dimension Type Inch, Grade AS-2, Nominal Size 0.123 in, Shape Rectangular, Tolerance 12 microinch, With Hole No, Face Length 1 3/16 in, Face Width 23/64 in, Included Certification Certificate of Inspection, Includes Manufacturer Inspection Certificate, Standards ASME B89.1.9