Class X No-Go Pin Gauge, Material Steel, Finish Uncoated, Diameter 0.5050 in, Dimension Type Inch, Gauge Type No-Go (Minus), Included Certification Certificate of Accuracy with NIST Traceability, Surface Finish 4 Microinch or Better, Tolerance 0.0001 in, Diameter Range 0.4061 in to 0.
9151 in to 0.9200 in, Dimension Type Inch, Gauge Type Go (Plus), Included Certification Certificate of Accuracy with NIST Traceability, Surface Finish 4 Microinch or Better, Tolerance 0.0001 in, Diameter Range 0.