Pipe Threaded Plug Gauge Dimension Type Inch Gauge Type Go/No-Go (Plus/Minus) Handle Design Double End Included Handle Taperlock 4 Thread Class 2B Thread Size 3/4 In.-14 Thread Type NPSM 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 Pitch Diameter - Go Member 0.9889 in Pitch Diameter - No-Go Member 0.9958 in