Cylinder Gauge Block Long Form Calibration Certificate No Material Steel Application Grade Inspection Dimension Type Inch Grade AS-1 Nominal Size 3 in Shape Cylinder With Hole Yes Face Length 1 3/16 in Face Width 1-3/16 in (Dia.) Face Diameter 1 3/16 in Included Certification Certificate of Inspection Includes Manufacturer Inspection Certificate Standards ASME B89.1.9