Rectangular Gauge Block, Long Form Calibration Certificate No, Material Steel, Application Grade Inspection, Dimension Type, ASME Grade 0, Nominal Size 3 Inch, Shape Rectangular, Tolerance 4 Microinch, With Hole No, Length face 1 3/8 in, Face Width 23/64 in, Certification Certificate of Inspection Included, Inspection Certificate Included, ASME Standards