1/4 inch-18 NPSM 2A Go & NoGo Ring Calibration Plug Gage
1/4 inch-18 NPSM 2A GO & NoGo Double ended Setting Plug made specifically for setting and checking the wear of NPSM ring gages of the size specified. Use to check the functional fit (feel) of your rings or to set PD on split rings when calibration checks are run. Certificate of Accuracy is included.Click HERE to read about additional Long Form Cert.
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