Pipe Threaded Plug Gauge, Dimension Type Inch, Gauge Type L1/L3, Handle Design Double End, Included Handle Taperlock 6, Thread Size 3 In.-8, Thread Type NPTF, 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, Standards ASME B1.20.5, Thread Direction Right Hand