Threaded Ring Gauge, Long Form Calibration Certificate No, Material Tool Steel, Dimension Type Inch, Gauge Type Go/No-Go (Plus/Minus), Pitch Diameter 0.952 (Go), 0.9467 (No-Go), Pitch Diameter - Go Member 0.952 in, Pitch Diameter - No-Go Member 0.9467 in, Thread Class 2A, Thread Length 11/16 in, Thread Size 1 In.-14, Thread Type UNS, Compatible Holder Size 5T, Finish Uncoated, Gauge Design Adjustable, Hardness RC 60-62, Included Certification Certificate of Accuracy with NIST Traceability