7/8“ P8 P6 WORKING SUCKER ROD AND POLISHED ROD THREAD RING GAGES/API SPEC 11B:2017 FYOU PMEC, Leading Solutions, Professional in API Working &Master Gages, manufacturers licensed by API Spec 5B, API Spec7-2&API Spec11B. All the Gages come with the Long Form Calibration Certificates traceable to NIM or NIST ,Availiable for Audit. Email: sales@; Website:
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