Rectangular Gauge Block, Long Form Calibration Certificate No, Material Steel, Application Grade Grade-AS1, Dimension Type Inch, Grade AS-1, Nominal Size 2 in, Shape Rectangular, Tolerance L: -0.0120 in to 0 in, W: -0.0080 in to -0.0020 in, With Hole No, Face Length 1 3/8 in, Face Width 23/64 in, Included Certification Certificate of Inspection, Includes Certificate of Inspection, Standards ASME