Rectangular Gauge Block Long Form Calibration Certificate No Material Steel Application Grade Calibration Dimension Type Inch Grade ASME 0 Nominal Size 0.123 in Shape Rectangular Tolerance 4 mircoinch 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