Class X No-Go Pin Gauge, Material Steel, Finish Uncoated, Diameter 0.6400 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 0.6351 in to 0.
4100 in, Dimension Type Inch, Gauge Type Go (Plus), Included Certification Certificate of Accuracy with NIST Traceability, Surface Finish 4 Microinch or Better, Tolerance 0.4061 in to 0.