Pipe Threaded Plug Gauge, Dimension Type Inch, Gauge Type No-Go (Minus), Handle Design Member Only, Included Handle Not Applicable, Thread Class 2B, Thread Size 1 1/4 In.-11-1/2, Thread Type NPSM, Tolerance Class X, Gauge Finish Uncoated, Gauge Material Tool Steel, Handle Length None, Hardness RC 60-62, Included Certification Certificate of Accuracy with NIST Traceability, Long Form Calibration Certificate No, Pitch Diameter – No-Go Member 1.8302 in, Standards ASME B1.20.1