Pipe Threaded Setting Plug Gauge Dimension Type Inch Gauge Type Go (Plus) Handle Design Member Only Thread Class 2A Thread Size 3 In.-8 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 Pitch Diameter - Go Member 3.3862 in Standards ASME B1.20.1 Thread Direction Right Hand