3 inch-8 NPSM 2A GO/NG Ring Calibration Plug Gages
3 inch-8 NPSM 2A GO/NG S/P ASSEMBLY Both Go & NoGo special plugs W/ handle specifically for setting and checking the wear of 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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