Pipe Threaded Plug Gauge Dimension Type Inch Gauge Type Go (Plus) Handle Design Member Only Thread Size 1 In.-11-1/2 Thread Type NPSF 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 1.2284 in Thread Direction Right Hand