18.0MM-2.50MM 6H Class Go & NoGo Thread Plug Assembly with Taperlock Style with handle tool steel Rc 60-62 cold stabilized work plug handles can be marked with 15 characters at no additional cost Inch handles will be light blue metric yellow Certificate of Accuracy is included. href="http://www.thegagestore.com/gage/merchant.mv?Screen=PROD&Store_Code=gage&Product_Code=974501150x2&Category_Code=Thread_Gages_UN-UNC-UNF-UNEF" target=http://www.thegagestore.com/gage/merchant.mv?Screen=PROD&Store_Code=gage&Product_Code=974501150x2&Category_Code=Thread_Gages_UN-UNC-UNF-UNEF"_blank">To Add a Long Form Cert Click Here Certificate of Accuracy is included.Click HERE to read about additional Long Form Cert.
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