Pipe Threaded Plug Gauge, Dimension Type Inch, Handle Design Double End, Included Handle Taperlock 6, Thread Class L1, Thread Size 3 In.-8, Thread Type NPT, Tolerance Class X, Gauge Finish Uncoated, Gauge Material Tool Steel, Handle Color Blue, Handle Length 4 in, Handle Material Aluminum, Hardness RC 60-62, Included Certification Certificate of Accuracy with NIST Traceability, Long Form Calibration Certificate No, Standards ASME B1.20.1, Thread Direction Right Hand