Best Seller | VERMONT GAGE 361140010 Adj. Go Ring Gage,1/2-13 UNC 2A Threaded Ring Gauge, Long Form Calibration Certificate No, Material Tool Steel, Dimension Type Inch, Gauge Type Go (Plus), Pitch Diameter 0.4485 in, Pitch Diameter - Go Member 0.4485 in, Thread Class 2A, Thread Length 7/16 in, Thread Size 1/2... ... more VERMONT GAGE 361140010 Adj. Go Ring Gage,1/2-13 UNC 2A Threaded Ring Gauge, Long Form Calibration Certificate No, Material Tool Steel, Dimension Type Inch, Gauge Type Go (Plus), Pitch Diameter 0.4485 in, Pitch Diameter - Go Member 0.4485 in, Thread Class 2A, Thread Length 7/16 in, Thread Size 1/2... | | $130.99 go to store |