2 1/2-8 NPTF BASIC L-1 RING GAGE Class X NIST traceable Tool steel RC 60/62 (cold stabilized) shipped in polly bag certificate of accuracy with each ring Class X NIST traceable Tool steel RC 60/62 (cold stabilized) shipped in polly bag certificate of accuracy with each ring Class X NIST traceable Tool steel RC 60/62 (cold stabilized) shipped in polly bag certificate of accuracy with each ring Certificate of Accuracy is included.Click HERE to read about additional Long Form Cert.
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