Pipe Threaded Plug Gauge, Dimension Type Inch, Gauge Type L-1; L-3, Handle Design Double End, Included Handle Taperlock 5, Thread Class L1, L3, Thread Size 1 In.-11-1/2, 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, Long Form Calibration Certificate No, Standards ASME B1.20.5