Threaded Ring Gauge, Long Form Calibration Certificate No, Material Tool Steel, Dimension Type Inch, Gauge Type No-Go (Minus), Pitch Diameter 0.8216 in, Pitch Diameter - No-Go Member 0.8216 in, Thread Class 2A, Thread Length 11/16 in, Thread Size 7/8 In. -14, Thread Type UNF, Compatible Holder Size 5T, Finish Uncoated, Gauge Design Adjustable, Hardness RC 60-62, Included Certification Certificate of Accuracy with NIST Traceability, Standards ASME B 1.2, Tolerance Class X. This item has been restricted from sale in the following state (s): []