Threaded Plug Gauge, Dimension Type Metric, Gauge Type Go (Plus), Handle Design Member Only, Thread Class 6H, Thread Size M2 x 0.40, Thread Type Metric, Tolerance Class X, Gauge Finish Chrome Plated, Gauge Length - Go Member 6.40 mm, Gauge Material Tool Steel, Hardness RC 70-72, Included Certification Certificate of Accuracy With NIST Traceability, Pitch Diameter - Go Member 1.74 mm, Standards ASME B 1.16M, Thread Direction Right Hand. This item has been restricted from sale in the following state (s): []