Pipe Threaded Plug Gauge Dimension Type Inch Handle Design Member Only Thread Size 1-1/4 In.-11-1/2 Thread Type NPT 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 Standards ASME B1.20.1 Thread Direction Right Hand