Pipe Threaded Plug Gauge Dimension Type Inch Gauge Type L1/L3 Handle Design Double End Included Handle Taperlock 4 Thread Size 1/2 In.-14 Thread Type NPTF Tolerance Class X Gauge Finish Uncoated Gauge Material Tool Steel Handle Color Blue Handle Length 3 5/8 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